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<document id="71180CD5CD0BD1143AC4CD70479C87DC" ID-DOI="10.3897/zookeys.1231.141443" ID-ZooBank="94B32AD5-4D03-4ECA-8B73-DB157E8AAF3E" ID-publisher-id="141443" URI-arpha="BD893469-A3EA-5C2F-829C-C72D57FF143A" URI-zoobank="http://zoobank.org/94B32AD5-4D03-4ECA-8B73-DB157E8AAF3E" article-type="research-article" checkinTime="1741793034544" checkinUser="pensoft" docAuthor="Korsós, Zoltán &amp; Nakamura, Yasuyuki" docDate="2025" docId="167C9B1E4A2E5C2DA1CEC8878F50C5CE" docLanguage="en" docName="ZooKeys 1231: 191-232" docOrigin="ZooKeys 1231" docSource="https://zookeys.pensoft.net/article/141443/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic" docStyleName="PensoftTaxPub.0000.journal_article.generic" docTitle="Xystodesmus yamamiensis Masuda 2001" docType="treatment" docVersion="1" dtd-version="3.0" lastPageNumber="232" masterDocId="BD893469A3EA5C2F829CC72D57FF143A" masterDocTitle="Review of the millipede genus Xystodesmus (Diplopoda, Polydesmida), with seven new species from the southwestern part of Japan" masterLastPageNumber="232" masterPageNumber="191" pageNumber="191" updateTime="1741793166818" updateUser="pensoft">
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<mods:title id="22B9B5D9B596714B62D23E4098A53847">Review of the millipede genus Xystodesmus (Diplopoda, Polydesmida), with seven new species from the southwestern part of Japan</mods:title>
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</mods:role>
<mods:namePart id="BA92CEEEABDB773C28A5040447153DBD">Korsós, Zoltán</mods:namePart>
<mods:nameIdentifier id="AD07138389173E748E6120911E5D597B" type="ORCID">0000-0003-1545-5086</mods:nameIdentifier>
<mods:affiliation id="DDB00BDCC4ED1495C6135C433C042CCC">Department of Zoology, Hungarian Natural History Museum, Baross u. 13, H- 1088 Budapest, Hungary &amp; Department of Zoology, University of Veterinary Medicine Budapest, Rottenbiller u. 50, H- 1077 Budapest, Hungary &amp; Tropical Biosphere Research Center, University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0213, Japan</mods:affiliation>
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</mods:role>
<mods:namePart id="5445C49FDDAB2C763969CC15417A6790">Nakamura, Yasuyuki</mods:namePart>
<mods:affiliation id="637D5E38CC6793B19B925FCE9795409F">Fujukan, The Museum of the University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0129, Japan</mods:affiliation>
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<mods:date id="74BA95F4BA6342FFC7A35A509F4C0DBA">2025</mods:date>
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<mods:number id="024F86E3E23B81BB7D831E21C12D63C8">2025-03-12</mods:number>
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<mods:number id="C8FB2D4621BF488B7EDC752F8781F8C2">1231</mods:number>
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<treatment id="167C9B1E4A2E5C2DA1CEC8878F50C5CE" ID-arpha="167C9B1E-4A2E-5C2D-A1CE-C8878F50C5CE" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE" httpUri="http://treatment.plazi.org/id/167C9B1E4A2E5C2DA1CEC8878F50C5CE">
<subSubSection id="3046063BCF556C2ED3FD39E673B2E067" type="nomenclature">
<paragraph id="C837BEF74DD33AA772988D51CAE4CB1C">
<taxonomicName id="A96B48BE656BB33CD565EE998809430E" ID-CoL="5CQGR" authority="Masuda, 2001" authorityName="Masuda" authorityYear="2001" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="yamamiensis">
<emphasis id="0A9B27886A5048958485AFF880165404" italics="true">Xystodesmus yamamiensis</emphasis>
<bibRefCitation id="494F82802BF31A9FAEFCF9755E358DA5" author="Masuda K" journalOrPublisher="Kumo, [Bulletin of] Chubu Spider Study Group" pagination="635-636" refId="B17" refString="Masuda K (2001) A new xystodesmid millipeds of the genus Xystodesmus from Japan. Kumo, [Bulletin of] Chubu Spider Study Group 34: 635-636." title="A new xystodesmid millipeds of the genus Xystodesmus from Japan." volume="34" year="2001">Masuda, 2001</bibRefCitation>
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="83B28426AA0769372AAC247080F83386" type="description">
<paragraph id="F01C4A971482AB90BE2035B1E93C3470">
<figureCitation id="C36DCC63902261771E39D634E08BD5C4" captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Male gonopods of Xystodesmus species. A Xystodesmus amoenus (Takakuwa, 1942), comb. nov., right gonopod of male type specimen from Daegu (= Taikyu), South Korea, redrawn from Takakuwas original (1942 b: 362, fig. 5), mesal view, not to scale. Abbreviations: “ a = Tibiotarsus, b = Femurabschnitt mit kleiner Spitze ” B Xystodesmus yamamiensis Masuda, 2001, left gonopod of holotype male from Yamami, Aichi Pref., Japan (NSMT - My. 294), lateral view. Abbreviations: a = acropodite, ca = coxal apophysis, ms = macroseta, pfp = prefemoral process. Scale bar: 0.5 mm (B)." figureDoi="10.3897/zookeys.1231.141443.figure15" httpUri="https://binary.pensoft.net/fig/1278926">Fig. 15 B</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EEBCI" type="material">
<paragraph id="4919895985F6865F5A9D98C231FA4FD7">
<heading id="EF8ED20F4000CD48CF5A3A99CA352B5E" reason="title">Material examined.</heading>
</paragraph>
<paragraph id="C4E5F93EA075BE0BF0EA97C8ECAE987F">
<materialsCitation id="71420299853EA003B4A8AB4CE4916BA6" collectingDate="1998-04-05" collectionCode="NSMT" collectorName="K. Masuda." county="Chita County" location="Yamami" municipality="Minamichita Town" specimenCount="2" stateProvince="Aichi" typeStatus="holotype">
<emphasis id="4BE9BF9C96F8D3D3B3048EC6641516B4" bold="true" italics="true">
<typeStatus id="CC53FC53BC155799992E810AF11F6B06" type="holotype">Holotype</typeStatus>
</emphasis>
male (
<named-content id="AC9B563210E6E3E032F467F9715FF218" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="2E30E424C798968AC16BEEBE91B60D76" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My. 294), and
<emphasis id="80E4AB48CF18C2C402B0827091667DD5" bold="true" italics="true">
<typeStatus id="D21A0131D164E7B34B0078C279411FE9" type="paratype">paratype</typeStatus>
</emphasis>
male (
<named-content id="FF517041FD0BFC466DE45CB3F4D61AC9" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="B99A204228F977C260F9D86902AC3CD0" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My. 295),
<collectingRegion id="C1B962CB53F6DE1617DDB5DFFF323D0D" country="Japan" name="Aichi">Aichi Pref.</collectingRegion>
,
<collectingCounty id="C5699C5A14D6B521BE493C014F1733C7">Chita County</collectingCounty>
,
<collectingMunicipality id="CE88531957D2FFBEE40CCA58D98ABC6A">Minamichita Town</collectingMunicipality>
,
<location id="8727B6C22B1190CB2D38091751C193ED" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE:8727B6C22B1190CB2D38091751C193ED" county="Chita County" municipality="Minamichita Town" name="Yamami" stateProvince="Aichi">Yamami</location>
,
<date id="70F3A2A00638EE2CEB2B25D4DDB1CBB3" value="1998-04-05">
<collectingDate id="C66F7A0C25F71610D2B0F24C30AE3019" value="1998-04-05">5 April 1998</collectingDate>
</date>
, leg.
<collectorName id="4DE3E410BE0E0247EDE2EEFAA10AAA0A">K. Masuda.</collectorName>
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0E3BCI" type="Descriptive notes">
<paragraph id="7F4D267E479D724EB71C903D3156BC1A">
<heading id="3DEAC5E00C9733187E81E5C67A2C7B6B" reason="title">Descriptive notes.</heading>
</paragraph>
<paragraph id="64B05FC79CE91A3DD72B0966DE83A133">
The original description and illustrations lack some important details, thus after the re-examination of the
<typeStatus id="557F70C004E66B1A5C25407FF70B2933" type="holotype">holotype</typeStatus>
, we present here an additional drawing of the male gonopod (Fig.
<figureCitation id="43B2600DC4ECF77756D4D682FF304ADD" captionStart="Figure 15" captionStartId="F15" captionText="Figure 15. Male gonopods of Xystodesmus species. A Xystodesmus amoenus (Takakuwa, 1942), comb. nov., right gonopod of male type specimen from Daegu (= Taikyu), South Korea, redrawn from Takakuwas original (1942 b: 362, fig. 5), mesal view, not to scale. Abbreviations: “ a = Tibiotarsus, b = Femurabschnitt mit kleiner Spitze ” B Xystodesmus yamamiensis Masuda, 2001, left gonopod of holotype male from Yamami, Aichi Pref., Japan (NSMT - My. 294), lateral view. Abbreviations: a = acropodite, ca = coxal apophysis, ms = macroseta, pfp = prefemoral process. Scale bar: 0.5 mm (B)." figureDoi="10.3897/zookeys.1231.141443.figure15" httpUri="https://binary.pensoft.net/fig/1278926">15 B</figureCitation>
). Coxa stout, as wide as long, with a strong apophyseal process (
<emphasis id="145F5ABB007BDC6CDDE6466C8D6894BA" italics="true">ca</emphasis>
) and a large macroseta (
<emphasis id="50F5952938D0DAA8C3B9C833BBF52D40" italics="true">ms</emphasis>
). Prefemur and acropodite slightly twisted, prefemoral process (
<emphasis id="E26C83060E6F11CD687C8341B019CFE3" italics="true">pfp</emphasis>
) ~ ¾ of length of acropodite, those of two gonopods crossing each other
<emphasis id="261DC619198B7ADB5113A2037D1128A1" italics="true">in situ</emphasis>
. Prostatic groove runs along lateral side of acropodite (
<emphasis id="D31F694662CF24BF4B8EF38CC40E77E6" italics="true">a</emphasis>
) and ends on distal part of lower branch of bifurcated tip.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EQCCI" type="remarks">
<paragraph id="F49BCB2801D465952F7BDF1814289EBD">
<heading id="B41A174A77DEC2366C4924913FB0F694" reason="title">Remarks.</heading>
</paragraph>
<paragraph id="4AD916FAB81EF88AA1AB6B112D1475FA">
Interestingly, the gonopods have a general similarity to
<taxonomicName id="9A5685138EC5AACB480D6693EE9F2732" authority="(Pocock, 1895) (Korsos et al. 2011)" authorityName="Korsos et al." authorityYear="2011" baseAuthorityName="Pocock" baseAuthorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Riukiaria" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="neptuna">
<emphasis id="6F874D6CC552C1A97C3586138A74D925" italics="true">Riukiaria neptuna</emphasis>
(
<bibRefCitation id="29A6A277740A3E689F76FFD261A42CF0" DOI="10.1080/00222939508677895" author="Pocock RI" refId="B31" refString="Pocock RI (1895) Report upon the Chilopoda and Diplopoda obtained by P. W. Bassett-Smith, Esq., Surgeon R. N., and J. J. Walker, Esq., R. N., during the cruise in the Chinese Seas of H. M. S. ' Penguin', Commander W. U. Moore commanding. Annals and Magazine of Natural History Ser. 6, 15: 346 - 372. https://doi.org/10.1080/00222939508677895" year="1895">Pocock, 1895</bibRefCitation>
) (
<bibRefCitation id="7FDB2C7E21D270D92917DA666A7B69B0" DOI="10.11646/zootaxa.2877.1.3" author="Korsos" etAl="et al." firstAuthor="Korsos" journalOrPublisher="Zootaxa" pagination="55-68" refId="B14" refString="Korsós Z, Nakamura Y, Tanabe T (2011) Two new millipede species of the genus Riukiaria (Diplopoda, Polydesmida, Xystodesmidae) endemic to the Ryukyu Archipelago, Japan. Zootaxa 2877: 5568. https://doi.org/10.11646/zootaxa.2877.1.3" title="Two new millipede species of the genus Riukiaria (Diplopoda, Polydesmida, Xystodesmidae) endemic to the Ryukyu Archipelago, Japan." volume="2877" year="2011">Korsós et al. 2011</bibRefCitation>
)
</taxonomicName>
, as the end of acropodite is ramified: two branches in
<taxonomicName id="5B2AB80CDB412E834211ABB1293E40C5" authorityName="Masuda" authorityYear="2001" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="yamamiensis">
<emphasis id="B5AC51FFE457DC1F9E238A54F1026F3F" italics="true">X. yamamiensis</emphasis>
</taxonomicName>
, three in
<taxonomicName id="601C1BAD898288C4BC63D49E756C6190" authorityName="Korsos et al." authorityYear="2011" baseAuthorityName="Pocock" baseAuthorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Riukiaria" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="neptuna">
<emphasis id="0DFB1E25A667896837FF3C00444BB7C7" italics="true">R. neptuna</emphasis>
</taxonomicName>
(see
<bibRefCitation id="79349CF1F5E6B9123D81246D33942A1C" DOI="10.1080/00222939508677895" author="Pocock" firstAuthor="Pocock" refId="B31" refString="Pocock RI (1895) Report upon the Chilopoda and Diplopoda obtained by P. W. Bassett-Smith, Esq., Surgeon R. N., and J. J. Walker, Esq., R. N., during the cruise in the Chinese Seas of H. M. S. Penguin, Commander W. U. Moore commanding. Annals and Magazine of Natural History Ser. 6, 15: 346372. https://doi.org/10.1080/00222939508677895" year="1895">Pocock 1895</bibRefCitation>
;
<bibRefCitation id="F5707173C0201A4CAC8E59ECAE8EB357" author="Hoffman" firstAuthor="Hoffman" journalOrPublisher="Natural History Miscellanea" pagination="1-6" refId="B7" refString="Hoffman RL (1949) A new genus of xystodesmid millipeds from the Riu Kiu Archipelago with note on related Oriental genera. Natural History Miscellanea 45: 16." title="A new genus of xystodesmid millipeds from the Riu Kiu Archipelago with note on related Oriental genera." volume="45" year="1949">Hoffman 1949</bibRefCitation>
). However, the body size (
<quantity id="679EB5A39C707A9A0F97D60A74F00512" metricMagnitude="-2" metricUnit="m" metricValue="2.15" metricValueMax="2.4" metricValueMin="1.9" unit="mm" value="21.5" valueMax="24.0" valueMin="19.0">1924 mm</quantity>
) and especially the colour of
<taxonomicName id="493F26E9E968E86C59A13BDC14B9BA3F" authorityName="Masuda" authorityYear="2001" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="yamamiensis">
<emphasis id="3B427396ECEFA686A1C48A472F2B7716" italics="true">X. yamamiensis</emphasis>
</taxonomicName>
(“ Keels have a red spot in roughly in the middle. ”
<bibRefCitation id="31ED945BAE98C744A047100598BBED25" author="Masuda K" firstAuthor="Masuda" journalOrPublisher="Kumo, [Bulletin of] Chubu Spider Study Group" page="635" pagination="635-636" refId="B17" refString="Masuda K (2001) A new xystodesmid millipeds of the genus Xystodesmus from Japan. Kumo, [Bulletin of] Chubu Spider Study Group 34: 635636." title="A new xystodesmid millipeds of the genus Xystodesmus from Japan." volume="34" year="2001">Masuda 2001: 635</bibRefCitation>
) clearly indicate that this is a species of
<taxonomicName id="025A7B811089318DB254829D0A0FDD50" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="33B689C8CB3F133FF45C8F214E5BAEA1" italics="true">Xystodesmus</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="E44C671C22206BCA095F7147544A8C46">
<emphasis id="E1B083A47A6D69EE113877BB37A96E2E" bold="true">
Unidentified
<taxonomicName id="EEEEA9D0300F5BBEA249C2B217E1B272" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="B4232BBE22475737BD7BF8E3915280E7" bold="true" italics="true">Xystodesmus</emphasis>
</taxonomicName>
female 1
</emphasis>
</paragraph>
<paragraph id="A9B9D22A639A21487B2F3F9477C95875">
Fig.
<figureCitation id="9442CCAB7BD7E9C961F9E35B15299441" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 G</figureCitation>
</paragraph>
<paragraph id="6BE6E06B11D2BF7EFB3C5C1F988995BA">
<emphasis id="3233C15E4B613583B6B8A7522F20A421" bold="true">Material examined</emphasis>
. •
<materialsCitation id="75C1BD3C846F83A1533D07A5CBC31010" collectingDate="2010-04-09" collectingDateMax="2010-04-10" collectingDateMin="2010-04-09" collectionCode="RUMF" collectorName="Z. Korsos" country="Japan" county="Central Ryukyus" elevation="200" latitude="26.211306" location="Tokashiki-jima Isl." longLatPrecision="1" longitude="127.362885" municipality="Group" specimenCount="6" specimenCount-female="6" stateProvince="Okinawa">
<specimenCount id="2B376F5639CB1F732FAD86B6AA729DFC" count="6" type="female">6 females</specimenCount>
,
<collectingCountry id="FAA6B4A1A317EC8076D014D16AB09318" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="4451F76E188E8875C1A4AB14A47D687D">Central Ryukyus</collectingCounty>
,
<collectingRegion id="D18ECC296D1A6EA949B9117729F6D01A" country="Japan" name="Okinawa">Okinawa Pref.</collectingRegion>
,
<collectingRegion id="5C9CB4AD0661EF6F90CB6CF138277D63" country="Japan" name="Okinawa">Okinawa</collectingRegion>
<collectingMunicipality id="A78B7FE5FAA9C217EF28250FEF3644C8">Group</collectingMunicipality>
,
<location id="04299763B6CAB1236B20E177F285C15A" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE:04299763B6CAB1236B20E177F285C15A" country="Japan" county="Central Ryukyus" latitude="26.211306" longLatPrecision="1" longitude="127.362885" municipality="Group" name="Tokashiki-jima Isl." stateProvince="Okinawa">Tokashiki-jima Isl.</location>
,
<location id="1B12D50728DAB2C9DF6697CFB27A0589" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE:1B12D50728DAB2C9DF6697CFB27A0589" country="Japan" county="Central Ryukyus" latitude="26.211306" longLatPrecision="1" longitude="127.362885" municipality="Group" name="National" stateProvince="Okinawa">National</location>
<collectingRegion id="4BA2C444CA6342673FCF06F8A23D99C7" country="Japan" name="Okinawa">Okinawa</collectingRegion>
<location id="BA3511B45F49B2D2157A7AE73744C4C9" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE:BA3511B45F49B2D2157A7AE73744C4C9" country="Japan" county="Central Ryukyus" latitude="26.211306" longLatPrecision="1" longitude="127.362885" municipality="Group" name="Youth Fellowship Center" stateProvince="Okinawa">Youth Fellowship Center</location>
, mixed forest,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0ERFCI" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[127.362889,26.211306]}">
<geoCoordinate id="3D1AF27662F83CC5172FC3BAEC8B894C" degrees="26" direction="north" minutes="12" orientation="latitude" precision="1" seconds="40.7" value="26.211306">26 ° 12 ' 40.7 &quot; N</geoCoordinate>
,
<geoCoordinate id="FE5785D2BB25F9AA73E3896B77C94319" degrees="127" direction="east" minutes="21" orientation="longitude" precision="1" seconds="46.4" value="127.362885">127 ° 21 ' 46.4 &quot; E</geoCoordinate>
</named-content>
,
<quantity id="2C603EA0D459D3A7D4BEE9C779E10CF2" metricMagnitude="2" metricUnit="m" metricValue="2.0" unit="m" value="200.0">
<elevation id="27ECAAD205A2215BF2980FA9EF829B07" metricMagnitude="2" metricUnit="m" metricValue="2.0" unit="m" value="200.0">200 m</elevation>
</quantity>
,
<date id="9488B73BC5F00C01317F413558D8F388" value="2010-04-09" valueMax="2010-04-10" valueMin="2010-04-09">
<collectingDate id="FD7DF20E09A852BD8952859272B6F43C" value="2010-04-09" valueMax="2010-04-10" valueMin="2010-04-09">910 April 2010</collectingDate>
</date>
, leg.
<collectorName id="F720651E896F8FC066B595068D84A730">Z. Korsós</collectorName>
(No. 183) (
<named-content id="4E02D7F3A19EEF5CD7320967D61A86E8" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/university-ryukyus" xlink_title="Museum of the University of the Ryukyus, Okinawa">
<collectionCode id="7593126D0B3A0B975EC00E4DDB923924">RUMF</collectionCode>
</named-content>
)
</materialsCitation>
; •
<materialsCitation id="8D8334147AAE6F5883B1567AA5876B82" collectingDate="2010-04-10" collectionCode="HNHM" collectorName="Z. Korsos" country="Japan" county="Central Ryukyus" elevation="18" latitude="26.212584" location="Tokashiki-jima Isl." longLatPrecision="1" longitude="127.35731" municipality="Group" specimenCount="2" specimenCount-female="2" stateProvince="Okinawa">
<specimenCount id="69B5AEA3592E491A897BC252E874FCFD" count="2" type="female">2 females</specimenCount>
,
<collectingCountry id="06E114DFCAD56AFB5978A7CE204800E5" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="5167436BD9FDE3845CABED708FB35001">Central Ryukyus</collectingCounty>
,
<collectingRegion id="01BE898E26CA2BD37A9226220ABD7221" country="Japan" name="Okinawa">Okinawa Pref.</collectingRegion>
,
<collectingRegion id="1D40842DABB5F31574FB57538170DBDA" country="Japan" name="Okinawa">Okinawa</collectingRegion>
<collectingMunicipality id="ECBA25C4F5A00C0A44142F89745D6D2E">Group</collectingMunicipality>
,
<location id="BFB981087C610CEC0B09ACDABFD543E4" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE:BFB981087C610CEC0B09ACDABFD543E4" country="Japan" county="Central Ryukyus" latitude="26.212584" longLatPrecision="1" longitude="127.35731" municipality="Group" name="Tokashiki-jima Isl." stateProvince="Okinawa">Tokashiki-jima Isl.</location>
,
<location id="2ADA04F208939DEE42B0948A5563E20A" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE:2ADA04F208939DEE42B0948A5563E20A" country="Japan" county="Central Ryukyus" latitude="26.212584" longLatPrecision="1" longitude="127.35731" municipality="Group" name="Tokashiki" stateProvince="Okinawa">Tokashiki</location>
,
<location id="BDADD0C77A67CD7372E8FFA0CBDD4142" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE:BDADD0C77A67CD7372E8FFA0CBDD4142" country="Japan" county="Central Ryukyus" latitude="26.212584" longLatPrecision="1" longitude="127.35731" municipality="Group" name="Otani forest" stateProvince="Okinawa">Otani forest</location>
road, mixed forest,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0E5FCI" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[127.357306,26.212583]}">
<geoCoordinate id="342E01E6B38D2ABEB29CB7979E43213C" degrees="26" direction="north" minutes="12" orientation="latitude" precision="1" seconds="45.3" value="26.212584">26 ° 12 ' 45.3 &quot; N</geoCoordinate>
,
<geoCoordinate id="94672B90D0026D98DFA96EF9C801584C" degrees="127" direction="east" minutes="21" orientation="longitude" precision="1" seconds="26.3" value="127.35731">127 ° 21 ' 26.3 &quot; E</geoCoordinate>
</named-content>
,
<quantity id="80D31382E07572CDDD0D4BB7769B2234" metricMagnitude="1" metricUnit="m" metricValue="1.8" unit="m" value="18.0">
<elevation id="6EF7275C61EE4EE088C1F0BA0B5940CF" metricMagnitude="1" metricUnit="m" metricValue="1.8" unit="m" value="18.0">18 m</elevation>
</quantity>
,
<date id="844B76D177B999E19127C9B9EB215F84" value="2010-04-10">
<collectingDate id="3374814BB927380503BD1FDA3496D92D" value="2010-04-10">10 April 2010</collectingDate>
</date>
, leg.
<collectorName id="423E199CED820C3C6D7F240937931B98">Z. Korsós</collectorName>
(
<named-content id="E262587ACAEEF936D3B40B038C1B5BC9" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/hungarian-natural-history-museum-termeszettudomanyi-muzeum" xlink_title="Hungarian Natural History Museum, Budapest">
<collectionCode id="341452319F6A02492C251B620F2A45C4" country="Hungary" lsid="urn:lsid:biocol.org:col:34991" name="Hungarian Natural History Museum (Termeszettudomanyi Muzeum)">HNHM</collectionCode>
</named-content>
diplo- 04552)
</materialsCitation>
; •
<materialsCitation id="1BC44E151BDBC861A1955B99107B1196" collectingDate="2010-10-21" collectionCode="RUMF" collectorName="Z. Korsos" country="Japan" county="Central Ryukyus" elevation="215" latitude="26.212223" location="Tokashiki-jima Isl." longLatPrecision="20" longitude="127.363884" municipality="Group" specimenCount="2" specimenCount-female="2" stateProvince="Okinawa">
<specimenCount id="B09FA3208ACF42B11E44DBC70BC6D331" count="2" type="female">2 females</specimenCount>
,
<collectingCountry id="904C795A0BD4F89B4B8CFEA548D283C4" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="39C5B4F2F6F251FC649A0371A3FCE78C">Central Ryukyus</collectingCounty>
,
<collectingRegion id="308646CB866C412A285820037EE3058B" country="Japan" name="Okinawa">Okinawa Pref.</collectingRegion>
,
<collectingRegion id="3080FAE12B164A2711869147F0F1762B" country="Japan" name="Okinawa">Okinawa</collectingRegion>
<collectingMunicipality id="951382518E2C65C6C28F9AFD92299387">Group</collectingMunicipality>
,
<location id="4C4B8086F2F3B5CDBD828BBB719EF6BD" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE:4C4B8086F2F3B5CDBD828BBB719EF6BD" country="Japan" county="Central Ryukyus" latitude="26.212223" longLatPrecision="20" longitude="127.363884" municipality="Group" name="Tokashiki-jima Isl." stateProvince="Okinawa">Tokashiki-jima Isl.</location>
,
<location id="C280997CD0F445C026441909CFE1DBCB" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE:C280997CD0F445C026441909CFE1DBCB" country="Japan" county="Central Ryukyus" latitude="26.212223" longLatPrecision="20" longitude="127.363884" municipality="Group" name="National" stateProvince="Okinawa">National</location>
<collectingRegion id="BA24BE3EE61EE4E91DC8159CB4365FE2" country="Japan" name="Okinawa">Okinawa</collectingRegion>
<location id="8010E813D4C28AD0F4B06E2056EAA467" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE:8010E813D4C28AD0F4B06E2056EAA467" country="Japan" county="Central Ryukyus" latitude="26.212223" longLatPrecision="20" longitude="127.363884" municipality="Group" name="Youth Fellowship Center" stateProvince="Okinawa">Youth Fellowship Center</location>
, outside the fence, mixed forest,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0ELGCI" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[127.363889,26.212222]}">
<geoCoordinate id="58EE9D6B4703F94CD9491BED828090EC" degrees="26" direction="north" minutes="12" orientation="latitude" precision="15" seconds="44" value="26.212223">26 ° 12 ' 44 &quot; N</geoCoordinate>
,
<geoCoordinate id="C5DFFF8C2E1DF52C38B2192BA83C4663" degrees="127" direction="east" minutes="21" orientation="longitude" precision="15" seconds="50" value="127.363884">127 ° 21 ' 50 &quot; E</geoCoordinate>
</named-content>
,
<quantity id="0CE9FFDCD26C909F4A69C54A917B28EB" metricMagnitude="2" metricUnit="m" metricValue="2.15" unit="m" value="215.0">
<elevation id="E21DCAABBA578D8A9A3E80219E547929" metricMagnitude="2" metricUnit="m" metricValue="2.15" unit="m" value="215.0">215 m</elevation>
</quantity>
,
<date id="90FFE9BA8B6184A40DCD6918C1334C4E" value="2010-10-21">
<collectingDate id="063D861B563D76D605642A7A19301E8D" value="2010-10-21">21 October 2010</collectingDate>
</date>
, leg.
<collectorName id="64BA6B2BF858A75F2588A2F905C7CCF6">Z. Korsós</collectorName>
(No. 266) (
<named-content id="BE0DC0C1093B79935B39AC6C8BE9F44D" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/university-ryukyus" xlink_title="Museum of the University of the Ryukyus, Okinawa">
<collectionCode id="D4A2BE5097B9E9720B1942910CF360B3">RUMF</collectionCode>
</named-content>
)
</materialsCitation>
</paragraph>
<paragraph id="E851D06A402FA22B5E49E7F56B724A67">
<emphasis id="B6FC9C6B032E81688A08E10AF86E6FC6" bold="true">Colour of living specimens</emphasis>
(Fig.
<figureCitation id="2BBB278F6B8B9940D0CAA16BA777DBE5" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 G</figureCitation>
). Body uniformly dark brown, posterior edge of metaterga darker; paranota from 5
<superScript id="C4C1A22F9685C214254C9D9925475ADC">th</superScript>
segment onward light, yellowish orange; head brown, antennae, legs, and underside whitish.
</paragraph>
<caption id="6883E743488019DDD9693AE0489146E3" ID-DOI="10.3897/zookeys.1231.141443.figure16" ID-arpha="67482367-A6D4-5D4E-AC6F-F971DA2A7760" httpUri="https://binary.pensoft.net/fig/1278927" startId="F16">
<paragraph id="6068AF95000F67F41B9D75665C8AEB6A">
<label id="295DEB9AAE886A7E64E09FB17F205C1F">Figure 16.</label>
</paragraph>
<paragraph id="73943472FD0F630F26FD7D82C1C73C57">
Live habitus of new
<taxonomicName id="E02E469B767EE4D5F378E1AABA6CB145" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="FBB423DF490CB85B58F8B505E8B77199" italics="true">Xystodesmus</emphasis>
</taxonomicName>
millipede species
<emphasis id="6BB3228B4A00FE3F0B76961782E60B27" bold="true">A</emphasis>
<taxonomicName id="973C9B89190789B384B9D19025F47EFA" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="fasciatus" status="sp. nov.">
<emphasis id="DEA23D924B1E5D61061F39E227AEFBC0" italics="true">X. fasciatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="60D4796834C14AF9D9F7634E68468C30" rank="species">sp. nov.</taxonomicNameLabel>
, male paratype, Fukiage, Kagoshima Pref.
<emphasis id="0A4F72B9448FB2AF974C240367B31A1B" bold="true">B</emphasis>
<taxonomicName id="F84133DD3A619A7906F5667265C611D0" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="keramae" status="sp. nov.">
<emphasis id="769DE77A821B0DD92D472223788469D3" italics="true">X. keramae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8EDEF4368BD6103A33433C784407CA27" rank="species">sp. nov.</taxonomicNameLabel>
, male paratype, Aka-jima Isl., Okinawa Pref.
<emphasis id="B050321AE017924199D8980BFA738681" bold="true">C</emphasis>
<taxonomicName id="BC90BE8ABC167C4C1F1C5F1B16AE2E4A" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="kumeensis" status="sp. nov.">
<emphasis id="AA067F232A7BB51779AA0B6BBB5D10D3" italics="true">X. kumeensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="BA25D0119887B63AA18C59768B55DF91" rank="species">sp. nov.</taxonomicNameLabel>
, male paratype, Kume-jima Isl., Okinawa Pref.
<emphasis id="61802158426356D302CF322E627E5C74" bold="true">D</emphasis>
<taxonomicName id="B6CEAFE1A8E893451ECA4E4ECCE2FCA1" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="parvus" status="sp. nov.">
<emphasis id="2696404B4E9CCF992708A590F211D79C" italics="true">X. parvus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="267173A7EA9494AC6093877121A07670" rank="species">sp. nov.</taxonomicNameLabel>
, male paratype, Okinoerabu-jima Isl., Kagoshima Pref.
<emphasis id="955489555BF27F147631A6624E03CC23" bold="true">E</emphasis>
<taxonomicName id="439CF537EBFE96EAD90B9ACD42FA812C" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="rebekae" status="sp. nov.">
<emphasis id="FDE9AA152A179074CC344B85971F3A9F" italics="true">X. rebekae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="115E4A09CAC590906CBB711299D2B495" rank="species">sp. nov.</taxonomicNameLabel>
, male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref.
<emphasis id="F4049E47512863B30D93C341111F458D" bold="true">F</emphasis>
<taxonomicName id="1EB5751FA320CEC10E0B9C924D6F126A" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="sesokoensis" status="sp. nov.">
<emphasis id="8D37718CDBB2DBD17856C32A44893297" italics="true">X. sesokoensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="2FBB2EFC4727456F2E2924FEDD2F3C7B" rank="species">sp. nov.</taxonomicNameLabel>
, male holotype, Sesoko-jima Isl., Okinawa Pref.
<emphasis id="E3B51F78A24852D53451BF7284905CD3" bold="true">G</emphasis>
unidentified female, Tokashiki-jima Isl., Okinawa Pref.
<emphasis id="8AE5D971FD4E2F270BA45C26BC17519D" bold="true">H</emphasis>
unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale.
</paragraph>
</caption>
<caption id="31692683FB8FD02DF2552C4A5A29B8F8" ID-DOI="10.3897/zookeys.1231.141443.figure17" ID-arpha="C16EAE21-BD8F-55DB-8D11-1A64812E4194" httpUri="https://binary.pensoft.net/fig/1278928" startId="F17">
<paragraph id="97FC87D7DCEBA82F6EA3974A6646955A">
<label id="A987061D609066BB0FC9768467C6276F">Figure 17.</label>
</paragraph>
<paragraph id="1A0DBB89FC7C6BDD0639F2E20816DE47">
Live habitus of
<taxonomicName id="12D7C55ED96A5D918EB5337B9E137677" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="09421D0EC84635F62B3C70678BDAAA5C" italics="true">Xystodesmus</emphasis>
</taxonomicName>
millipedes
<emphasis id="B165030C4AE3969D9746883849597EF3" bold="true">A, B</emphasis>
<taxonomicName id="203A6F84BCA1E4C3F911A9D2EE7751AF" authority="(Pocock, 1895)" authorityName="Korsós &amp; Nakamura" authorityYear="2025" baseAuthorityName="Pocock" baseAuthorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Rhysodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="variatus">
<emphasis id="7CD7FC239F424BD57FEC3C3B25799815" italics="true">X. variatus</emphasis>
(
<bibRefCitation id="AA6375BAC5C8A4A13C45F4C76D2E427E" DOI="10.1080/00222939508677895" author="Pocock RI" refId="B31" refString="Pocock RI (1895) Report upon the Chilopoda and Diplopoda obtained by P. W. Bassett-Smith, Esq., Surgeon R. N., and J. J. Walker, Esq., R. N., during the cruise in the Chinese Seas of H. M. S. ' Penguin', Commander W. U. Moore commanding. Annals and Magazine of Natural History Ser. 6, 15: 346 - 372. https://doi.org/10.1080/00222939508677895" year="1895">Pocock, 1895</bibRefCitation>
)
</taxonomicName>
males, Kouri-jima Isl., Okinawa Pref.
<emphasis id="838853ADF893D837ABC87CEC31525739" bold="true">C, D</emphasis>
<taxonomicName id="5F5A7BE187B6023941814311371C01EB" authority="(Peters, 1864)" baseAuthorityName="Peters" baseAuthorityYear="1864" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="martensii">
<emphasis id="4A37A0F68DF32054EFF7BFD20A3DC85F" italics="true">X. martensii</emphasis>
(
<bibRefCitation id="B89FDE9C63C1AF176844528D6FBA9EC7" author="Peters W" refId="B30" refString="Peters W (1864) Ubersicht der im Konigl. zoologischen Museum befindlichen Myriopoden aus der Familie der Polydesmi, so wie Beschreibungen einer neuen Gattung, Trachyjulus, der Juli, und neuer Arten der Gattung Siphonophora. Monatsberichte der Koniglichen Preussischen Akademie der Wissenschaften zu Berlin, 529 - 551." year="1864">Peters, 1864</bibRefCitation>
)
</taxonomicName>
males
<emphasis id="0C1267348DC67097F5B1C4B9840C4CA0" bold="true">C</emphasis>
Eno-shima Isl., Kanagawa Pref.
<emphasis id="B2CC38D18AC9A27C5A1965033799A932" bold="true">D</emphasis>
Mt. Oyama, Kanagawa Pref.
<emphasis id="2A8CF39A1615EA74EEDE4BEEFD389FE5" bold="true">E, F</emphasis>
<taxonomicName id="F749260710488EAC54806EB0FB52E4FB" authority="(Chamberlin &amp; Wang, 1953)" baseAuthorityName="Chamberlin &amp; Wang" baseAuthorityYear="1953" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="nikkoensis">
<emphasis id="27B7CF34E19FE8297E10F840553CAFD9" italics="true">X. nikkoensis</emphasis>
(
<bibRefCitation id="EF794449EFACF61C926539247933414C" author="Chamberlin RV &amp; Wang YM." journalOrPublisher="American Museum Novitates" pagination="1-13" refId="B2" refString="Chamberlin RV, Wang YM. (1953) Records of millipeds (Diplopoda) from Japan and other oriental areas, with descriptions of new genera and species. American Museum Novitates 1621: 1-13." title="Records of millipeds (Diplopoda) from Japan and other oriental areas, with descriptions of new genera and species." volume="1621" year="1953">Chamberlin &amp; Wang, 1953</bibRefCitation>
)
</taxonomicName>
males, Yaku-shima Isl., Kagoshima Pref. Not to scale.
</paragraph>
</caption>
<paragraph id="D427F2D58DCCDD439041AD8364F6A3C2">
<emphasis id="5A2D930EE652E99EE9D7F7157C611787" bold="true">Remark</emphasis>
. Probably the same species as the one occurring on Aka-jima Isl., i. e.,
<taxonomicName id="18FD68D09E906EDCEEBCAE6F71005A22" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="keramae" status="sp. nov.">
<emphasis id="639D7DC3D25D28CC8232CEFFFFA64BA2" italics="true">X. keramae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="324DF913A774EC1FB49687879969CD7E" rank="species">sp. nov.</taxonomicNameLabel>
(Fig.
<figureCitation id="C13621A0201FC0EEA861074275A093FE" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 B</figureCitation>
).
</paragraph>
<paragraph id="1FDCCDCD96AFEA9AD533E0D2238A2D3D">
<emphasis id="FB5A61BFF448295D7FED5E70454B90E8" bold="true">
Unidentified
<taxonomicName id="65191E5D73B6A3CC7EF6665F58E5B7FA" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="DCB5B7E8249F78DD6DC9AF1F36B47E29" bold="true" italics="true">Xystodesmus</emphasis>
</taxonomicName>
female 2
</emphasis>
</paragraph>
<paragraph id="300FC985651819309836387C25620A27">
Fig.
<figureCitation id="3138A2AC7F5F4AE4EB81A70BB2F72916" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 H</figureCitation>
</paragraph>
<paragraph id="AF5C1592209F3DFBDA8185D6181F3474">
<emphasis id="11BA09FFD9EDA1F508E269D9B8825D55" bold="true">Material examined</emphasis>
. •
<materialsCitation id="D469BBBB40034E8DF71C445FDBB65425" collectingDate="2012-02-04" collectionCode="HNHM" collectorName="Y. Nakamura" country="Japan" county="Kametsu" latitude="27.760666" location="Central Ryukyus" longLatPrecision="1" longitude="128.98158" municipality="Tokuno-shima Island" specimenCount="1" specimenCount-female="1">
<specimenCount id="5BBCA182D8F425902B8D00B63336F4F7" count="1" type="female">1 female</specimenCount>
,
<collectingCountry id="35CB548742B190F3518B8DF65DB7AE9D" name="Japan">Japan</collectingCountry>
,
<location id="66518D7864C77FBBC55B5A09B75590E1" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE:66518D7864C77FBBC55B5A09B75590E1" country="Japan" county="Kametsu" latitude="27.760666" longLatPrecision="1" longitude="128.98158" municipality="Tokuno-shima Island" name="Central Ryukyus">Central Ryukyus</location>
,
<location id="EBEEE1DA057C615DCEC549BD1985D24D" LSID="urn:lsid:plazi:treatment:167C9B1E4A2E5C2DA1CEC8878F50C5CE:EBEEE1DA057C615DCEC549BD1985D24D" country="Japan" county="Kametsu" latitude="27.760666" longLatPrecision="1" longitude="128.98158" municipality="Tokuno-shima Island" name="Amami Group">Amami Group</location>
,
<collectingMunicipality id="D06A8B4EC6D36BDA270582107FFF1B28">Tokuno-shima Island</collectingMunicipality>
,
<collectingCounty id="B3E96412F5B812444726B8D54D6207AD">Kametsu</collectingCounty>
, near the pass
<locationDeviation id="806CE4FFE05AC56FDB0BE99B2E0F55B1" firstLocation="Mt. Inokawa-dake" secondLocation="Mt. Hage-dake">between Mt. Inokawa-dake and Mt. Hage-dake</locationDeviation>
,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EPNCI" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[128.981583,27.760667]}">
<geoCoordinate id="AAB6207340BAD1FF6C4A324719ACDE67" degrees="27" direction="north" minutes="45" orientation="latitude" precision="1" seconds="38.4" value="27.760666">27 ° 45 ' 38.4 &quot; N</geoCoordinate>
,
<geoCoordinate id="DC669E866086EB8BFACD1B76A28A7A22" degrees="128" direction="east" minutes="58" orientation="longitude" precision="1" seconds="53.7" value="128.98158">128 ° 58 ' 53.7 &quot; E</geoCoordinate>
</named-content>
,
<taxonomicName id="A1B026252707427CED62AF9D024FD2C5" class="Magnoliopsida" family="Fagaceae" genus="Castanopsis" kingdom="Plantae" order="Fagales" phylum="Tracheophyta" rank="species" species="sieboldii">
<emphasis id="FEA562039FE5F98EEA894BCDCDA9AAB5" italics="true">Castanopsis sieboldii</emphasis>
</taxonomicName>
forest,
<date id="7CE315AEA8961F9B012319CB8D79F9F1" value="2012-02-04">
<collectingDate id="2F93F5BA151152E3A83BAC870546CD92" value="2012-02-04">4 February 2012</collectingDate>
</date>
, leg.
<collectorName id="9C4C190A18D257321643AB5C12CD7108">Y. Nakamura</collectorName>
(
<named-content id="0B56AA3F429F0CD712DAC2ACE5E779BF" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/hungarian-natural-history-museum-termeszettudomanyi-muzeum" xlink_title="Hungarian Natural History Museum, Budapest">
<collectionCode id="D70CD7C45435BE26EC38AA40E195A753" country="Hungary" lsid="urn:lsid:biocol.org:col:34991" name="Hungarian Natural History Museum (Termeszettudomanyi Muzeum)">HNHM</collectionCode>
</named-content>
diplo- 04553)
</materialsCitation>
</paragraph>
<paragraph id="2FE87565FF5489B9026C38FBAD841F27">
<emphasis id="BB0AC5D73E5B3D6B8FBD90C449A02671" bold="true">Colour of living specimens</emphasis>
(Fig.
<figureCitation id="8D41BAB8777A1B19CFC68A7B99247FEF" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 H</figureCitation>
). Body uniformly dark greyish brown, median and posterior part of metaterga darker; all paranota including collum with light, yellowish spots; head and epiproct greyish brown; antennae, legs, and underside whitish.
</paragraph>
<paragraph id="C7D0D54EDB842C6303EC8B6446E365A9">
<emphasis id="5FE5D2CC4BCD9C0C243485458BEFC2F8" bold="true">Remark</emphasis>
. Up to now this is the only
<taxonomicName id="BD91689515DB0922C908251DFDDB30F5" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="BBA0C28131C2DEF994798B676A29B492" italics="true">Xystodesmus</emphasis>
</taxonomicName>
specimen from Tokuno-shima Island and probably represent a different species. However, without knowing the male it would be premature to assign it to any category.
</paragraph>
</subSubSection>
</treatment>
</document>

View file

@ -0,0 +1,301 @@
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<mods:title id="64B7158B2B277638E8E33DA081D84DDD">Review of the millipede genus Xystodesmus (Diplopoda, Polydesmida), with seven new species from the southwestern part of Japan</mods:title>
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<mods:namePart id="2C8858A5EFB277A77B86496DE40BB6A7">Korsós, Zoltán</mods:namePart>
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<mods:affiliation id="D76114B7A286109E8DFAF1E44323C512">Department of Zoology, Hungarian Natural History Museum, Baross u. 13, H- 1088 Budapest, Hungary &amp; Department of Zoology, University of Veterinary Medicine Budapest, Rottenbiller u. 50, H- 1077 Budapest, Hungary &amp; Tropical Biosphere Research Center, University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0213, Japan</mods:affiliation>
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<mods:namePart id="2E72E5C38220B1EDFC2C1E47D29B39C6">Nakamura, Yasuyuki</mods:namePart>
<mods:affiliation id="1D026B24CCB28887E1EC0D388FD4DFB9">Fujukan, The Museum of the University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0129, Japan</mods:affiliation>
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<subSubSection id="3235AC31EFAB192DB9F46BF6F7535591" type="nomenclature">
<paragraph id="E7DA047955BE4EFC04147CB9B653668A">
<taxonomicName id="D1F55EAD56A5CD273E3A5EEA20735DE3" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="keramae" status="sp. nov.">
<emphasis id="AB2B27CD6AC26648CBF67B01FE6AFD8A" italics="true">Xystodesmus keramae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="5294B8CA28214C25202C089BC2A35ACC" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="DAF17E0649C979D47BFB7D725E506C38" type="description">
<paragraph id="07C07054CA8C824D19D450ADE03A4CA5">
<figureCitation id="4A99696AFB39C5815D1B08F72E1189DC" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Xystodesmus keramae sp. nov., Aka-jima Island, Okinawa Pref. A C right gonopod of male paratype, mesal, lateral, and ventral (B, telopodite only) views, respectively D cyphopods with 2 nd leg pair of female paratype, posterior view. Abbreviations: a = acropodite, ca = coxal apophysis, cp = coxal projections, ms = macroseta, op = operculum, pfp = prefemoral process, r = receptacle, t = tooth, v = valve. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure2" httpUri="https://binary.pensoft.net/fig/1278913">Figs 2 A D</figureCitation>
,
<figureCitation id="35E8619DE1B8278C77AA505724732ED1" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 B</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EMSAG" type="type material">
<paragraph id="5B390F7B01C5455D8B39D42144C90E14">
<heading id="9A66407EEDA309296261CC80B2FF1AEF" reason="title">Type material.</heading>
</paragraph>
<paragraph id="C3D1CF42AC23905A00013E6D31D3B196">
<materialsCitation id="5C183E9ADA21E0F120A8C02F398F9D6C" collectingDate="2010-09-24" collectionCode="NSMT" collectorName="Z. Korsos" country="Japan" county="Central Ryukyus" elevation="120" latitude="26.202389" location="Aka-jima Isl." longLatPrecision="1" longitude="127.275696" municipality="Group" specimenCount="1" stateProvince="Okinawa" typeStatus="holotype">
<emphasis id="FB6CBDE24C2A1F7B4B76B3FA6DFB0BA0" bold="true" italics="true">
<typeStatus id="AE2896776D96E4F0CCA9FC4911117346" type="holotype">Holotype</typeStatus>
</emphasis>
: • male,
<collectingCountry id="8E94A8ED497F453FA3CBB73B8F08CCE6" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="C6911358694A92396535D754A7E16DFD">Central Ryukyus</collectingCounty>
,
<collectingRegion id="2A557BA1EF60F8B4F3049EB5E447500E" country="Japan" name="Okinawa">Okinawa Pref.</collectingRegion>
,
<collectingRegion id="7E4F475547FF8DB276B60FCFF6197A56" country="Japan" name="Okinawa">Okinawa</collectingRegion>
<collectingMunicipality id="1FF8437BD2A646967FCF034FE2411FD1">Group</collectingMunicipality>
,
<location id="0B64E688FC76CF203B3EB56B77AAB462" LSID="urn:lsid:plazi:treatment:3A0918D54BC05BF2B5F84CC1291D31F6:0B64E688FC76CF203B3EB56B77AAB462" country="Japan" county="Central Ryukyus" latitude="26.202389" longLatPrecision="1" longitude="127.275696" municipality="Group" name="Aka-jima Isl." stateProvince="Okinawa">Aka-jima Isl.</location>
,
<location id="E994967F8674E87A9BF6B8493860C562" LSID="urn:lsid:plazi:treatment:3A0918D54BC05BF2B5F84CC1291D31F6:E994967F8674E87A9BF6B8493860C562" country="Japan" county="Central Ryukyus" latitude="26.202389" longLatPrecision="1" longitude="127.275696" municipality="Group" name="Mt. Ootake" stateProvince="Okinawa">Mt. Ootake</location>
, shrine,
<elevation id="878B66C2E543C90413BD6F720463E9D6" metricMagnitude="2" metricUnit="m" metricValue="1.2" unit="m" value="120.0">
<quantity id="753BF9CF66B0C325B139CB7FC6566645" metricMagnitude="2" metricUnit="m" metricValue="1.2" unit="m" value="120.0">120 m</quantity>
a. s. l.
</elevation>
, mixed forest,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0E1SAG" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[127.275694,26.202389]}">
<geoCoordinate id="C6D3EC39C2E98A7D2E2E1715DA669CF0" degrees="26" direction="north" minutes="12" orientation="latitude" precision="1" seconds="08.6" value="26.202389">26 ° 12 ' 08.6 &quot; N</geoCoordinate>
,
<geoCoordinate id="0AEE772F52938A445636B93C7C16CE20" degrees="127" direction="east" minutes="16" orientation="longitude" precision="1" seconds="32.5" value="127.275696">127 ° 16 ' 32.5 &quot; E</geoCoordinate>
</named-content>
,
<date id="601E1FC405C79F2662DB2606C9550C0C" value="2010-09-24">
<collectingDate id="084AA522589ADC5DF03F999C7C4F64CA" value="2010-09-24">24 September 2010</collectingDate>
</date>
, leg.
<collectorName id="6D54F015979F899B5485E432ED4842F8">Z. Korsós</collectorName>
(
<named-content id="33FA4CBB46D44402E79D16120C669FB0" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="F59B9E0516D75FDB7B5E2A9215098CD1" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 535)
</materialsCitation>
.
<materialsCitation id="5849DA064B41E68B519569D5CB9041D7" collectingDate="2010-09-24" collectionCode="NSMT, RUMF, HNHM" collectorName="Z. Korsos" country="Japan" county="Central Ryukyus" elevation="120" latitude="26.202389" location="Aka-jima Isl." longLatPrecision="1" longitude="127.275696" municipality="Group" specimenCount="8" specimenCount-female="5" specimenCount-male="3" stateProvince="Okinawa" typeStatus="paratype">
<emphasis id="04D96E77D661F24DE3C8257C2AC1EB38" bold="true" italics="true">
<typeStatus id="16E546F3956723C3079D883407D14681" type="paratype">Paratypes</typeStatus>
</emphasis>
: •
<specimenCount id="F5B49CA04938450B3ABF69533B4755EC" count="1" type="male">1 male</specimenCount>
,
<specimenCount id="0207EB8621B81D4A75ABF84A750B4479" count="2" type="female">2 females</specimenCount>
(
<named-content id="6DA4CCE8FAEBD99C209AE15164059527" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="42E861C396FB968B4FC9EA265181E04A" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 536),
<specimenCount id="0E9CA49F71D00BE728CFA99EB85834FC" count="1" type="male">1 male</specimenCount>
,
<specimenCount id="BAEC31293F9F83C9C32174F0D1C743A9" count="2" type="female">2 females</specimenCount>
(
<named-content id="1BA5E01D1317749946A56A599B384A7F" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/university-ryukyus" xlink_title="Museum of the University of the Ryukyus, Okinawa">
<collectionCode id="B125EA94F28A8F4BD56E6F9BB766C6B2">RUMF</collectionCode>
</named-content>
- ZD- 00945),
<specimenCount id="CC2A9A6A396F0DB3EBA5B65864241361" count="1" type="male">1 male</specimenCount>
,
<specimenCount id="C00B4289BDD62317EF40653DCA0D69AE" count="1" type="female">1 female</specimenCount>
(
<named-content id="C66F4A54740FF28E4EC672931561717A" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/hungarian-natural-history-museum-termeszettudomanyi-muzeum" xlink_title="Hungarian Natural History Museum, Budapest">
<collectionCode id="82518A2F7FCF64BDB873EB30452361B7" country="Hungary" lsid="urn:lsid:biocol.org:col:34991" name="Hungarian Natural History Museum (Termeszettudomanyi Muzeum)">HNHM</collectionCode>
</named-content>
diplo- 04541) same locality and date
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EWTAG" type="diagnosis">
<paragraph id="146C332DCEB7E489D6DE35B7D6E216A5">
<heading id="9863887BFD203F67B245E161D580F3ED" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="488844B4E20D2591D49F95E021E8C43F">
<taxonomicName id="19D866BC436CB06575D3DB6CE6B77B81" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="keramae" status="sp. nov.">
<emphasis id="FE5E794CF4EC90C41F8229B1EE941011" italics="true">Xystodesmus keramae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="F7F93FBE29853D2A67E288144FCBF4A5" rank="species">sp. nov.</taxonomicNameLabel>
is a medium-sized
<taxonomicName id="0FBD65EBC80AAA09629281D1388EB501" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="A437413B64BF7ED2F1762000328FFD84" italics="true">Xystodesmus</emphasis>
</taxonomicName>
with typical colour pattern similar to
<taxonomicName id="DA5C0BEDFD1134CE5E62D602F3E7EFF5" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="parvus" status="sp. nov.">
<emphasis id="8CAC9946DBDC5C614B05069CA0DAA018" italics="true">X. parvus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="F33B835A15FFEEE49773B6E72EEF4EB3" rank="species">sp. nov.</taxonomicNameLabel>
but differs from it by the well-developed coxal apophysis and the long, backwardly curved prefemoral process. It is also different from
<taxonomicName id="123ECCD5347BBC0F37E8A9287160F5DD" baseAuthorityName="Miyosi" baseAuthorityYear="1952" class="Diplopoda" family="Xystodesmidae" genus="Rhysodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="serrulatus">
<emphasis id="11EB599928416B2F3BE93C9E04D02F12" italics="true">X. serrulatus</emphasis>
</taxonomicName>
where acropodite and prefemoral process are subequal in length, entirely straight, and very slender.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EEVAG" type="description">
<paragraph id="7D27C3CD86DB2AFAF7958621AA260980">
<heading id="EEDD63E60888B687E5929A4E38E50A33" reason="title">Description.</heading>
</paragraph>
<paragraph id="9A8741D7D4A1FF6394E9844F38B0E622">
Length
<quantity id="DB7D0C525D0A45F6E78D5E919367332F" metricMagnitude="-2" metricUnit="m" metricValue="2.9" metricValueMax="3.2" metricValueMin="2.6" unit="mm" value="29.0" valueMax="32.0" valueMin="26.0">2632 mm</quantity>
, midbody width with paraterga
<quantity id="923A4967C4BF19F5EB9B33CC5F6C9A9A" metricMagnitude="-3" metricUnit="m" metricValue="6.0" metricValueMax="6.5" metricValueMin="5.5" unit="mm" value="6.0" valueMax="6.5" valueMin="5.5">5.56.5 mm</quantity>
, midbody metatergal length
<quantity id="1D264C6F4CCE93CF042D0BF02183F600" metricMagnitude="-3" metricUnit="m" metricValue="1.4" metricValueMax="1.6" metricValueMin="1.2" unit="mm" value="1.4" valueMax="1.6" valueMin="1.2">1.21.6 mm</quantity>
, collum width
<quantity id="53D8BCBA931DDF16F6DDB8CB174FB2BE" metricMagnitude="-3" metricUnit="m" metricValue="4.6" metricValueMax="4.8" metricValueMin="4.4" unit="mm" value="4.6" valueMax="4.8" valueMin="4.4">4.44.8 mm</quantity>
, median collum length
<quantity id="DEE9AB680E0E8D7BBBD5CC61AB1D22B1" metricMagnitude="-3" metricUnit="m" metricValue="2.15" metricValueMax="2.4" metricValueMin="1.9" unit="mm" value="2.15" valueMax="2.4" valueMin="1.9">1.92.4 mm</quantity>
. Body sides between segments 715 subparallel.
</paragraph>
<paragraph id="8E347C8A5C3189849532820AAE261DDB">
Head smooth, with 1 + 1 frontal setae, epicranial suture distinct. First antennal article sub-globose, 2
<superScript id="A9CBE5F5CE65B99B4144D7C407582526">nd</superScript>
slightly clavate, otherwise subequal in length to straight articles 36, article 7 small, as long as wide, slightly tapering to its tip.
</paragraph>
<paragraph id="AC2B145E4772BC99A6D8DC50361C6805">
Pro- and metaterga completely smooth, transverse depression in metaterga clearly noticeable. Collum smooth, in dorsal view almost semicircular, posterior edge straight, slightly wavy, no marginal ridges, lateral corners triangular, directed posterior. Anterio-lateral edges of all paranota rounded, posterio-lateral corners of segment
<quantity id="FF0719A2F24AF7EA6344E3937C231ACD" metricMagnitude="-2" metricUnit="m" metricValue="7.62" metricValueMax="10.16" metricValueMin="5.08" unit="in" value="3.0" valueMax="4.0" valueMin="2.0">24 in</quantity>
obtuse angle, posterior margins laterally bent forward. Small triangular projection starts from metaterga 5, only weakly increasing from segment 6 onwards, sublateral excavations lacking or only very shallow. Lateral sides of paranota slightly arched, outline of segments clearly delimited. Pore formula normal, pores in lateral central position on narrow paranota.
</paragraph>
<paragraph id="1AA50700ADD6F03AE636196897B6F206">Segments 1619 gradually tapering, caudal corners becoming strong and blunt. Epiproct in dorsal view triangular, in lateral view slightly curved downward, with four large setae on each lateral side on tubercles, projection with 2 + 2 setae apically; paraprocts slightly wrinkled, with two pairs of setae, upper ones on strong margin, lower ones on sides; hypoproct semicircular with two setae on tubercles.</paragraph>
<paragraph id="D50B6EA41ED8C48F848F4CEF8C85112F">
Bases of midbody leg pairs clearly separated (by
<quantity id="2CD7FA4E4B978360FD8AB7217E45D481" metricMagnitude="-3" metricUnit="m" metricValue="1.4" metricValueMax="1.6" metricValueMin="1.2" unit="mm" value="1.4" valueMax="1.6" valueMin="1.2">1.21.6 mm</quantity>
in males,
<quantity id="92A03C5E4F7BADFFD158F3F98014995B" metricMagnitude="-3" metricUnit="m" metricValue="1.6" metricValueMax="1.7" metricValueMin="1.5" unit="mm" value="1.6" valueMax="1.7" valueMin="1.5">1.51.7 mm</quantity>
in females), sterna smooth and wide, pro- and metasterna also clearly separated. Coxa short, as long as wide; prefemur ~ 1.8 × longer than coxa, on male postgonopodal legs and on all female legs with well-developed ventral spine; femur strongly incrassate, only ~ 1.5 × longer than prefemur; postfemur short, sub-globose, tibia and tarsus subequal in length, ~ 2 × as long as wide; claw normal on all legs.
</paragraph>
<paragraph id="7CC0CDF4F5BBEB66ED77109BB5104B05">
Colour of living specimens (Fig.
<figureCitation id="DEEC708A5DC5BB5F32D38A0CA37BC273" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 B</figureCitation>
) pale brown, collum with dark margins, segments 24 with dark brown posterior margin, from 5 onwards medial part of metaterga with dark brown posterior margin; epiproct lighter. Head pale brown, antennae, legs, all paranota, and whole ventral side pale brown. Paranotal spots faded, hardly visible.
</paragraph>
<paragraph id="CEA96DD28C21947AD1ACF39A0F02FD0E">
<emphasis id="D172F259169ADC001C4E5F03AB4C69E9" bold="true">Male sexual characters</emphasis>
. Second leg pair with strong, tubular coxal processes (as of
<taxonomicName id="34EC4B9999DFA47EEA4DF34D868FCF30" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="kumamotoensis" status="sp. nov.">
<emphasis id="ED69234F0FC200CA5CD290723BFCB32A" italics="true">X. kumamotoensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1339A9F96314CCF34EA5313B4AFAC246" rank="species">sp. nov.</taxonomicNameLabel>
, Fig.
<figureCitation id="A258AC61B3F8C0AC0D4D844B60F9DABB" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xystodesmus kumamotoensis sp. nov., male paratype from Yatsushiro, Kumamoto Pref. A C right gonopod, mesal, lateral, and acropodite (B) in ventral views, respectively. D 2 nd leg pair, posterior view. Abbreviations: a = acropodite, ms = macroseta, pfp = prefemoral process, t = tooth. Scale bars: 0.5 mm (B), 1 mm (D)." figureDoi="10.3897/zookeys.1231.141443.figure3" httpUri="https://binary.pensoft.net/fig/1278914">3 D</figureCitation>
) provided with numerous apical setae, sterna, and coxae of segments 46 and further legs without any modifications. Gonopods (Fig.
<figureCitation id="5212F57F5D855A9C645F39BC69B3AB73" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Xystodesmus keramae sp. nov., Aka-jima Island, Okinawa Pref. A C right gonopod of male paratype, mesal, lateral, and ventral (B, telopodite only) views, respectively D cyphopods with 2 nd leg pair of female paratype, posterior view. Abbreviations: a = acropodite, ca = coxal apophysis, cp = coxal projections, ms = macroseta, op = operculum, pfp = prefemoral process, r = receptacle, t = tooth, v = valve. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure2" httpUri="https://binary.pensoft.net/fig/1278913">2 A C</figureCitation>
): Coxa stout, ~ 1.2 × longer than wide, with strong but slender coxal apophysis, and a single macroseta (
<emphasis id="40BA01EA300BC600636FFB030A5365F9" italics="true">ms</emphasis>
) next to it. Prefemur short, thick, densely setose on ventral side; prefemoral process (
<emphasis id="02B0C31C77D8A46463BA8C2B65AE5B86" italics="true">pfp</emphasis>
) strong, longer than and parallel to acropodite, but its pointed tip bent ventrad and almost touching tip of acropodite; acropodite (
<emphasis id="C01EA58CD4BB92F6211C74DC94C10F09" italics="true">a</emphasis>
) short, more slender than prefemoral process, gradually tapering towards the somewhat broader, leaf-like tip, and with a small triangular tooth (
<emphasis id="4F6132C4819F7B5EFF7C6039B25BBE7D" italics="true">t</emphasis>
) on half way of its mesal side (Fig.
<figureCitation id="95F7ECAF20AA8A8CCB3BEB45ECD1CD5E" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Xystodesmus keramae sp. nov., Aka-jima Island, Okinawa Pref. A C right gonopod of male paratype, mesal, lateral, and ventral (B, telopodite only) views, respectively D cyphopods with 2 nd leg pair of female paratype, posterior view. Abbreviations: a = acropodite, ca = coxal apophysis, cp = coxal projections, ms = macroseta, op = operculum, pfp = prefemoral process, r = receptacle, t = tooth, v = valve. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure2" httpUri="https://binary.pensoft.net/fig/1278913">2 B</figureCitation>
). Prostatic groove runs along the dorsomesal edge of acropodite.
</paragraph>
<caption id="A026C312B7A95B6D9393519CCD2D0A18" ID-DOI="10.3897/zookeys.1231.141443.figure2" ID-arpha="F6C00721-5169-5005-8FD7-181419470768" httpUri="https://binary.pensoft.net/fig/1278913" startId="F2">
<paragraph id="1D1940AB0913C43D53153D112EBBBF89">
<label id="A63BAEB2044FD7980E43E423B0771C0C">Figure 2.</label>
</paragraph>
<paragraph id="7C5B4589A336F4BA351F8F4552BD9181">
<taxonomicName id="5F787D1DD244EA7A872CB28EF7767E2B" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="keramae" status="sp. nov.">
<emphasis id="C7062996C35496ABC332CF7C949C2F5B" italics="true">Xystodesmus keramae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="B1989375C89A5675F3FC0F0C131D7936" rank="species">sp. nov.</taxonomicNameLabel>
, Aka-jima Island, Okinawa Pref.
<emphasis id="2A6ADDAAE338B7EBC11B199F15A89803" bold="true">A C</emphasis>
right gonopod of male paratype, mesal, lateral, and ventral (
<emphasis id="3F1FB7A007BFAF723E23EFA864088573" bold="true">B</emphasis>
, telopodite only) views, respectively
<emphasis id="A535BC65FBFA2DD1B703338BC9087A4A" bold="true">D</emphasis>
cyphopods with 2
<superScript id="C610B0AF0DDD8F05F44ACEC8B1D5785F">nd</superScript>
leg pair of female paratype, posterior view. Abbreviations: a = acropodite, ca = coxal apophysis, cp = coxal projections, ms = macroseta, op = operculum, pfp = prefemoral process, r = receptacle, t = tooth, v = valve. Scale bars: 0.5 mm.
</paragraph>
</caption>
<paragraph id="B1C6C352EFF8AA1EFC40F84188B519D9">
<emphasis id="D65AFE09D9E1F5E8A377FD48D5288DA3" bold="true">Female characters</emphasis>
(Fig.
<figureCitation id="3A25784A24E4B6A44CB19C4470B629A5" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Xystodesmus keramae sp. nov., Aka-jima Island, Okinawa Pref. A C right gonopod of male paratype, mesal, lateral, and ventral (B, telopodite only) views, respectively D cyphopods with 2 nd leg pair of female paratype, posterior view. Abbreviations: a = acropodite, ca = coxal apophysis, cp = coxal projections, ms = macroseta, op = operculum, pfp = prefemoral process, r = receptacle, t = tooth, v = valve. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure2" httpUri="https://binary.pensoft.net/fig/1278913">2 D</figureCitation>
). 2
<superScript id="80727275BB1CDEEFB35D6A3C9777A8F1">nd</superScript>
leg pair with pointed coxal projections (
<emphasis id="9BCC86D48EDA1862E7FE7023FEACD125" italics="true">cp</emphasis>
); cyphopods behind closely packed in small aperture, very close to each other. Receptacula (
<emphasis id="3D2CB1569938EA0BD19CB80480657F1A" italics="true">r</emphasis>
) on posterio-mesal side small, triangular, hardly setose; operculum (
<emphasis id="6510E4E41A1AE0E872047914105878D0" italics="true">op</emphasis>
) elongated with 3 several small setae; bursal valves (
<emphasis id="68A651F0F930F838DEC2780A6CC8E59B" italics="true">v</emphasis>
) large, setose, with high mesal apices.
</paragraph>
</subSubSection>
<subSubSection id="SECID0ELYAG" type="remarks">
<paragraph id="0D294DEBCF1D31AB225643F1895EC049">
<heading id="7D5E1771AF7B7D009C0A6B5DC9903B61" reason="title">Remarks.</heading>
</paragraph>
<paragraph id="CCBF91DB7A60C832DC8A1CBFFBBAFC83">
The type locality, Aka-jima Island is a member of the Kerama Islands, ~
<quantity id="1DF8E30BE9A926B64D060051F2E988C1" metricMagnitude="4" metricUnit="m" metricValue="2.5" unit="km" value="25.0">25 km</quantity>
west from the southern part of Okinawa-jima Island. Another member of the Kerama Islands is Tokashiki-jima Island, where a number of female
<taxonomicName id="ADF2497C008EC5E40A08ED33AC9B1553" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="EA39CC79EB4C4FD2142302BA68E0938F" italics="true">Xystodesmus</emphasis>
</taxonomicName>
specimens were also found (see unidentified female at the end of the paper), probably the same as
<taxonomicName id="3FB9660534C3E4B95CA622EAD96453ED" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="keramae" status="sp. nov.">
<emphasis id="98D4654C453973B5F63D8109BA9E028F" italics="true">X. keramae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="323F84A4EB2FD6F9AAE907F6B52BD292" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EDZAG" type="etymology">
<paragraph id="2E07A9EC4CB2DE3C2B4A7B6EF50EDF0C">
<heading id="A0B6BE02ECF529F564344ADA926A58BF" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="783B658232B71ECD5959D9FD274B579A">
Named after the
<typeStatus id="F541E08A415DE1764E2F226011C69ABA">type</typeStatus>
locality which belongs in the Kerama Islands (a subgroup of the
<collectingRegion id="39C9FECA2DAF471552D2C72CFD49C578" country="Japan" name="Okinawa">Okinawa</collectingRegion>
Group), west of Okinawa-jima Isl.,
<collectingRegion id="C69BEA8DD28D7E682D8C7979889A3FFC" country="Japan" name="Okinawa">Okinawa Pref.</collectingRegion>
,
<collectingCountry id="9055B70780DF473BE75508F6BC531F8B" name="Japan">Japan</collectingCountry>
. Genitive, from
<emphasis id="23A85C275A7E4BF2BA790391CE430759" italics="true">kerama</emphasis>
.
</paragraph>
</subSubSection>
</treatment>
</document>

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@ -0,0 +1,290 @@
<document id="5DEA6070984D8013DF8528A5F60DCAEE" ID-DOI="10.3897/zookeys.1231.141443" ID-ZooBank="94B32AD5-4D03-4ECA-8B73-DB157E8AAF3E" ID-publisher-id="141443" URI-arpha="BD893469-A3EA-5C2F-829C-C72D57FF143A" URI-zoobank="http://zoobank.org/94B32AD5-4D03-4ECA-8B73-DB157E8AAF3E" article-type="research-article" checkinTime="1741793034544" checkinUser="pensoft" docAuthor="Korsós, Zoltán &amp; Nakamura, Yasuyuki" docDate="2025" docId="464AF9A57BBF55A3905B6EE981C1C320" docLanguage="en" docName="ZooKeys 1231: 191-232" docOrigin="ZooKeys 1231" docSource="https://zookeys.pensoft.net/article/141443/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic" docStyleName="PensoftTaxPub.0000.journal_article.generic" docTitle="Xystodesmus fasciatus Korsós &amp; Nakamura, 2025, sp. nov." docType="treatment" docVersion="1" dtd-version="3.0" lastPageNumber="232" masterDocId="BD893469A3EA5C2F829CC72D57FF143A" masterDocTitle="Review of the millipede genus Xystodesmus (Diplopoda, Polydesmida), with seven new species from the southwestern part of Japan" masterLastPageNumber="232" masterPageNumber="191" pageNumber="191" updateTime="1741793166818" updateUser="pensoft">
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<mods:title id="EBA71EFE9DF87AD6E0D894D063F6E67C">Review of the millipede genus Xystodesmus (Diplopoda, Polydesmida), with seven new species from the southwestern part of Japan</mods:title>
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<mods:namePart id="58D2065973070F8A6C4FFA790DBFD135">Korsós, Zoltán</mods:namePart>
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<mods:affiliation id="FE728A9816C3EB5FD9A270797573F16C">Department of Zoology, Hungarian Natural History Museum, Baross u. 13, H- 1088 Budapest, Hungary &amp; Department of Zoology, University of Veterinary Medicine Budapest, Rottenbiller u. 50, H- 1077 Budapest, Hungary &amp; Tropical Biosphere Research Center, University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0213, Japan</mods:affiliation>
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<mods:namePart id="202CAEE73398D4FAA373EA518C75BC35">Nakamura, Yasuyuki</mods:namePart>
<mods:affiliation id="6ED6A89D7F12E639094AEAF4D86B1E39">Fujukan, The Museum of the University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0129, Japan</mods:affiliation>
</mods:name>
<mods:typeOfResource id="727CD0597A76FAD387285883E3F97022">text</mods:typeOfResource>
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<mods:title id="B049C215E6C56B3E2B21E7E4A894F9BF">ZooKeys</mods:title>
</mods:titleInfo>
<mods:part id="D6C9FA33A150CEDF8ED6EDCD34ABC074">
<mods:date id="F967A8CFB7304F585AD3DBEB04E03655">2025</mods:date>
<mods:detail id="53E1607AF10C37887A87CAC2F3FFD056" type="pubDate">
<mods:number id="5204BE6FBE280A328A048AE40E9B8AB1">2025-03-12</mods:number>
</mods:detail>
<mods:detail id="70BF8543E2796137027311F3FE03C167" type="volume">
<mods:number id="154FDE35052FD81B6C0D2767131882E9">1231</mods:number>
</mods:detail>
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<mods:start id="E7C3D2A40DCAAB9F5285B7B0CCBCF656">191</mods:start>
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<mods:classification id="067322A88992547C761C3808CE42805D">journal article</mods:classification>
<mods:identifier id="62A6DD32EC69DC50BDB7D3E15775A223" type="DOI">10.3897/zookeys.1231.141443</mods:identifier>
<mods:identifier id="4DE499DA7F7076DA6B3977AC8965FACB" type="ZooBank">94B32AD5-4D03-4ECA-8B73-DB157E8AAF3E</mods:identifier>
</mods:mods>
<treatment id="464AF9A57BBF55A3905B6EE981C1C320" ID-arpha="464AF9A5-7BBF-55A3-905B-6EE981C1C320" ID-zoobank="https://zoobank.org/DAAF356A-CB47-4987-A534-9E3CAA3285FD" LSID="urn:lsid:plazi:treatment:464AF9A57BBF55A3905B6EE981C1C320" LSID-ZBK="urn:lsid:zoobank.org:act:DAAF356A-CB47-4987-A534-9E3CAA3285FD" httpUri="http://treatment.plazi.org/id/464AF9A57BBF55A3905B6EE981C1C320">
<subSubSection id="56777F3AE80125AC03C0C4855B8D05FF" type="nomenclature">
<paragraph id="4C34A4B0E10DA7FDAD282D304456C87F">
<taxonomicName id="3134982384EDC3DA0C7EE4F48E3FFCD5" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="fasciatus" status="sp. nov.">
<emphasis id="5AFACC0B3DB6D4BF2559C2CDF05469AE" italics="true">Xystodesmus fasciatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="C8A54D5D879C800512FEC72E5D5ABAEE" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="1ED489AC27AD663578FD5EDEDD2F1A42" type="description">
<paragraph id="0C1EBBF48AB25A8B303501A5D4752DA2">
<figureCitation id="821ECAC43754E855A5047B080843A670" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Xystodesmus fasciatus sp. nov., male paratype from Fukiage, Kagoshima Pref. A, B right gonopod, ventromesal and dorsolateral views, respectively C 2 nd legpair, anterior view D left 6 th leg, posterior view E sterna of 3 rd segment, anterior view F sterna of 4 th segment, anterior view. Abbreviations: a = acropodite, ca = coxal apophysis, ms = macroseta, pfp = prefemoral process. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1231.141443.figure1" httpUri="https://binary.pensoft.net/fig/1278912">Figs 1 A F</figureCitation>
,
<figureCitation id="B5ED70EE27E1F4972B83E74B6FF7E3A5" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 A</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0E5IAG" type="type material">
<paragraph id="1FACD32ACBD701E139E527E7E8EE9696">
<heading id="3BF1E761EB905B596A04249F18E39779" reason="title">Type material.</heading>
</paragraph>
<paragraph id="A41FF02B483B94061B173AA02DF117BD">
<materialsCitation id="4A850C73E73717291ED83BFD7D311134" collectingDate="2009-10-14" collectionCode="NSMT" collectorName="Z. Korsos &amp; Y. Nakamura" country="Japan" county="Kyushu" elevation="15" latitude="31.512888" location="Hioki City" longLatPrecision="1" longitude="130.3753" municipality="Satsuma Peninsula" specimenCount="1" stateProvince="Kagoshima" typeStatus="holotype">
<emphasis id="D4DE443B6496FC980AC3754F740A0A9F" bold="true" italics="true">
<typeStatus id="4CE8C26DB325D53C00DAEDF5DAC2B269" type="holotype">Holotype</typeStatus>
</emphasis>
: • male,
<collectingCountry id="C86D2252364AD4561157F33845A89CA4" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="21000A3411E3AC229FCC848EC04F6D1D">Kyushu</collectingCounty>
,
<collectingRegion id="181302C94B842C2A054B69F2E425D902" country="Japan" name="Kagoshima">Kagoshima Pref.</collectingRegion>
,
<collectingMunicipality id="962FDF0F97454F7FAAC89FC315AA4E38">Satsuma Peninsula</collectingMunicipality>
,
<location id="AFCE91171864A1BC17538635B1FA19D0" LSID="urn:lsid:plazi:treatment:464AF9A57BBF55A3905B6EE981C1C320:AFCE91171864A1BC17538635B1FA19D0" country="Japan" county="Kyushu" latitude="31.512888" longLatPrecision="1" longitude="130.3753" municipality="Satsuma Peninsula" name="Hioki City" stateProvince="Kagoshima">Hioki City</location>
,
<location id="B061C60A26BFCDD28F5FD13416710BE5" LSID="urn:lsid:plazi:treatment:464AF9A57BBF55A3905B6EE981C1C320:B061C60A26BFCDD28F5FD13416710BE5" country="Japan" county="Kyushu" latitude="31.512888" longLatPrecision="1" longitude="130.3753" municipality="Satsuma Peninsula" name="Fukiage Town" stateProvince="Kagoshima">Fukiage Town</location>
,
<location id="E9E08ADB2E4F7B7A0AAA6944DE9E0773" LSID="urn:lsid:plazi:treatment:464AF9A57BBF55A3905B6EE981C1C320:E9E08ADB2E4F7B7A0AAA6944DE9E0773" country="Japan" county="Kyushu" latitude="31.512888" longLatPrecision="1" longitude="130.3753" municipality="Satsuma Peninsula" name="Yokura" stateProvince="Kagoshima">Yokura</location>
,
<taxonomicName id="8EDB278B589C6CC9AC91215E32695CEF" class="Insecta" family="Erebidae" genus="Cryptomeria" kingdom="Animalia" order="Lepidoptera" phylum="Arthropoda" rank="species" species="japonica">
<emphasis id="CC8FF54C70B099A7C427AC88B39B2DF6" italics="true">Cryptomeria japonica</emphasis>
</taxonomicName>
plantation,
<elevation id="79AE47C84014CAD26102C567A53DFA28" metricMagnitude="1" metricUnit="m" metricValue="1.5" unit="m" value="15.0">
<quantity id="40926A0862D743FB7AD135DF17610FE5" metricMagnitude="1" metricUnit="m" metricValue="1.5" unit="m" value="15.0">15 m</quantity>
a. s. l.
</elevation>
,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EXJAG" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[130.375306,31.512889]}">
<geoCoordinate id="D7EFFEB7D2F857D3A855FC32CD1934F9" degrees="31" direction="north" minutes="30" orientation="latitude" precision="1" seconds="46.4" value="31.512888">31 ° 30 ' 46.4 &quot; N</geoCoordinate>
,
<geoCoordinate id="D85269D5C9723247F137AE6DFFA8BCDF" degrees="130" direction="east" minutes="22" orientation="longitude" precision="1" seconds="31.1" value="130.3753">130 ° 22 ' 31.1 &quot; E</geoCoordinate>
</named-content>
,
<date id="058C4D1C8EF94F031B874193407B3BBF" value="2009-10-14">
<collectingDate id="6AD88640D9C72E349EDBAC7F5FAB84FB" value="2009-10-14">14 October 2009</collectingDate>
</date>
, leg.
<collectorName id="1CA9CF06EC756DB3F71C0175CB117207">Z. Korsós</collectorName>
and
<collectorName id="2DD16AB64E7D98470BC6075D68135297">Y. Nakamura</collectorName>
(
<named-content id="798411E6613B4D24C755E1C172DBD984" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="51A83463766070F9982EDCFB44DE5674" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 534)
</materialsCitation>
.
<materialsCitation id="39E3C9B6B9049EADE44ECBE8DC815B19" collectingDate="2009-10-14" collectionCode="HNHM, RUMF" collectorName="Z. Korsos &amp; Y. Nakamura" country="Japan" county="Kyushu" elevation="15" latitude="31.512888" location="Hioki City" longLatPrecision="1" longitude="130.3753" municipality="Satsuma Peninsula" specimenCount="4" specimenCount-male="3" stateProvince="Kagoshima" typeStatus="paratype">
<emphasis id="EF0755B236DAF9DE6F5A27D3E467F276" bold="true" italics="true">
<typeStatus id="53A09547B6E7642BDA3DDC3B686F23AA" type="paratype">Paratypes</typeStatus>
</emphasis>
: •
<specimenCount id="96B4395626BB3EF1AEA295B9520D6AD7" count="1" type="male">1 male</specimenCount>
, and
<specimenCount id="A42F1741434A380AB3EF2F79CADCDC30" count="1" type="generic">1 juv.</specimenCount>
male, same locality and date as
<typeStatus id="241D0B36E13E6E13E9A5AE5063BD3AE9" type="holotype">holotype</typeStatus>
(
<named-content id="107FB8B92426A02C6F6D82CC92A38592" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/hungarian-natural-history-museum-termeszettudomanyi-muzeum" xlink_title="Hungarian Natural History Museum, Budapest">
<collectionCode id="A15FF04D5DE9C2E9530601A7E5C41100" country="Hungary" lsid="urn:lsid:biocol.org:col:34991" name="Hungarian Natural History Museum (Termeszettudomanyi Muzeum)">HNHM</collectionCode>
</named-content>
diplo- 04540).
<specimenCount id="2489A38F1BDC3E1D90C2B1D48EBD778F" count="2" type="male">2 males</specimenCount>
, same locality and data as
<typeStatus id="5188702C15D0AE5CF1BCB09D07BADB0F" type="holotype">holotype</typeStatus>
(
<named-content id="C84E6FC35227DD6D9C326D51419D0140" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/university-ryukyus" xlink_title="Museum of the University of the Ryukyus, Okinawa">
<collectionCode id="0B738EF439385F11397C43CC7AEC5D43">RUMF</collectionCode>
</named-content>
- ZD- 00952 and 00953)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EOKAG" type="diagnosis">
<paragraph id="06DA0739C8B963B768F90326BF888F4E">
<heading id="EAFC35B3CE774CA406A36066DD085490" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="81045233D79BEB32AD93903CC38CE45E">
Medium-sized
<taxonomicName id="09235ED2863E89C156E5A67D28517F5F">
<emphasis id="3F6763D1500C487F2CF4707931540984" italics="true">Xystodesmus</emphasis>
species
</taxonomicName>
showing the general colour pattern plus a dark dorsal transversely banded appearance. Metatergites are smooth, shine, in contrast to that of
<taxonomicName id="D768AD3D5CBB59886EC5D2A39D5BD234" baseAuthorityName="Peters" baseAuthorityYear="1864" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="martensii">
<emphasis id="B2F419DC8DDD5C2EEF7525CC0958FF93" italics="true">X. martensii</emphasis>
</taxonomicName>
where they are conspicuously tuberculate. In terms of gonopods, the most similar species is
<taxonomicName id="60D26E73BB278BD42B2691599854E66C" baseAuthorityName="Peters" baseAuthorityYear="1864" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="martensii">
<emphasis id="E9E5F9C72402319D524D21B80FDFD96D" italics="true">X. martensii</emphasis>
</taxonomicName>
which also has a strong coxal apophysis, but in
<taxonomicName id="CD61D7F8990BA2566212B8A4B795800F" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="fasciatus" status="sp. nov.">
<emphasis id="520CD426815D7EA585274972C2A3F56F" italics="true">X. fasciatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="DD936B00BB5452B0873C0987F45F26F2" rank="species">sp. nov.</taxonomicNameLabel>
it is almost hook-like; prefemoral process flat and wide, curving backwards, in
<taxonomicName id="CAA3CF3BD0FBA6E94A5680E107209C15" baseAuthorityName="Peters" baseAuthorityYear="1864" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="martensii">
<emphasis id="5E2C9057C4DA6D091D29D4B4E7400C7C" italics="true">X. martensii</emphasis>
</taxonomicName>
it is slender and straight. Acropodite with three small teeth at tip, whereas in
<taxonomicName id="6627EF437F3CC86C60AD0D4032662615" baseAuthorityName="Peters" baseAuthorityYear="1864" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="martensii">
<emphasis id="D013792E18FEEAC7D9AA7B520ED65509" italics="true">X. martensii</emphasis>
</taxonomicName>
it has a cup-shaped process.
<taxonomicName id="9C488493D2CCA82826E541CC2BCBB63A" authorityName="Masuda" authorityYear="2001" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="yamamiensis">
<emphasis id="BDB4FEF4231E69138930F03E19844709" italics="true">X. yamamiensis</emphasis>
</taxonomicName>
has also a strong coxal apophysis, but its acropodite is strongly bifurcated and its prefemoral process is slender and tapering.
</paragraph>
</subSubSection>
<subSubSection id="SECID0E4MAG" type="description">
<paragraph id="0171E5A0DFE4DF8E51D74A09AA5718D9">
<heading id="097D667B35B0EED678B4123292287338" reason="title">Description</heading>
</paragraph>
<paragraph id="B5991013CB12125871FC0C3D6E19FB44">
(based on the
<specimenCount id="94964CC75BF51A6CBCC31D5FFD8624E7" count="2" type="adult">two adult</specimenCount>
male specimens). Length
<quantity id="F2F4C4F15E0ACA8EF244EA546D613AC1" metricMagnitude="-2" metricUnit="m" metricValue="3.25" metricValueMax="3.3" metricValueMin="3.2" unit="mm" value="32.5" valueMax="33.0" valueMin="32.0">3233 mm</quantity>
, midbody width with paranota
<quantity id="EEAF78BCB140EDC07F9A3EFFEAE404CF" metricMagnitude="-3" metricUnit="m" metricValue="5.8" unit="mm" value="5.8">5.8 mm</quantity>
, metatergal length
<quantity id="B0C5310D1407A1FE6C56986C0BA7DD63" metricMagnitude="-3" metricUnit="m" metricValue="1.9" unit="mm" value="1.9">1.9 mm</quantity>
, collum width
<quantity id="6F75B227B927CF9E18A9657AB98B8993" metricMagnitude="-3" metricUnit="m" metricValue="4.9" unit="mm" value="4.9">4.9 mm</quantity>
, median collum length
<quantity id="199E3CFC3C5641ED5FE497B5ACB6EC9B" metricMagnitude="-3" metricUnit="m" metricValue="3.1" unit="mm" value="3.1">3.1 mm</quantity>
. Body sides between segments 513 parallel. Head smooth, with 1 + 1 frontal setae, epicranial suture distinct. Antennae straight, slender, first article globose, articles 24 subequal in length, 5 and 6 increasingly longer, 7 small, with length equal to width. Proterga completely smooth, metaterga very weakly wrinkled, each with a transverse depression in the middle. No trace of tubercles or punctation on metaterga. Collum subtrapezoid-shape, convex, its length double of metatergum 2, lateral edges directed ventrad, anteriolateral margin with weak ridge. Posteriolateral edge of paranota 2 and 3 rounded, of 4 slightly pointed, from 5 onwards triangular shaped, with strong half-circle excavation on the posterior edge of each metaterga. Pore formula normal, pores on segments 5, 7, 9, 10, 12, 13, 15, 16, 17, and 18, in lateral position on slightly swollen paranota.
</paragraph>
<paragraph id="150B6C4E3617A3E97BF9C73430D4ABB1">Segments 1419 gradually tapering, posteriolateral projections becoming more pointed, with strong excavations along their mesal side. Epiproct protruding, in lateral view distinctly curved, with two pairs of setae on small side tubercles, and with two setae apically; paraprocts (anal valves) smooth, with a pair of setae on obvious median ridges; hypoproct semicircular.</paragraph>
<paragraph id="EE9F27E124D21AA438AADAF032E85B7E">
Bases of midbody leg pairs well separated (by
<quantity id="E23878429E07310CF18AAAE9A5E4E8E0" metricMagnitude="-3" metricUnit="m" metricValue="1.6" unit="mm" value="1.6">1.6 mm</quantity>
), sterna smooth and wide, pro- and metasterna well separated. Prefemur with well-developed ventral spine, increasingly larger from midbody legs onwards, femur ~ 2 × as long as prefemur, almost straight, postfemur short and incrassate, tibia slender, long, nearly as long as tarsus, claw on pregonopodal legs flattened and curved, leaf-like, becoming normal on other legs towards the end of body.
</paragraph>
<paragraph id="939A9BD5469B88F3FB26CC6D8ED8D24E">
Colour of living specimens on dorsal side vividly banded as a result of alternating pale greyish prozona and dark chocolate-brown metazona (Fig.
<figureCitation id="62EB1900E4863247F7AF2BECFBA66898" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 A</figureCitation>
). Collum pale greyish in the middle and bordered with dark brown. Dark brown median stripe on dorsum from 4
<superScript id="DEBA954926241B5E4B82FE981B6896C4">th</superScript>
segments onward. Paranota bright reddish orange. Clypeus light brownish, underside of head, antennae, legs, epiproct, and whole ventral side pale, almost whitish. Colour in alcohol quickly bleaches, only the dorsal dark banded pattern remains visible.
</paragraph>
<paragraph id="5D9731E8D8DBBDE869F56B3030CD1463">
<emphasis id="5E8488C11D1F2C723C6F95555FFAD85E" bold="true">Male sexual characters.</emphasis>
Sterna of segments 3 and 4 (Fig.
<figureCitation id="D0CEDAA17807388C960566B1745E4FA1" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Xystodesmus fasciatus sp. nov., male paratype from Fukiage, Kagoshima Pref. A, B right gonopod, ventromesal and dorsolateral views, respectively C 2 nd legpair, anterior view D left 6 th leg, posterior view E sterna of 3 rd segment, anterior view F sterna of 4 th segment, anterior view. Abbreviations: a = acropodite, ca = coxal apophysis, ms = macroseta, pfp = prefemoral process. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1231.141443.figure1" httpUri="https://binary.pensoft.net/fig/1278912">1 E, F</figureCitation>
) with a pair of protruding processes, on segment 3 small, widely separated from each other, with long apical setae; on segment 4 nearly as high as width of coxae, closely packed to each other, with short setae. Second leg pair with low but definite, blunt coxal processes (Fig.
<figureCitation id="C8464EF7B0A7498A9BC07CEEF23DE599" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Xystodesmus fasciatus sp. nov., male paratype from Fukiage, Kagoshima Pref. A, B right gonopod, ventromesal and dorsolateral views, respectively C 2 nd legpair, anterior view D left 6 th leg, posterior view E sterna of 3 rd segment, anterior view F sterna of 4 th segment, anterior view. Abbreviations: a = acropodite, ca = coxal apophysis, ms = macroseta, pfp = prefemoral process. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1231.141443.figure1" httpUri="https://binary.pensoft.net/fig/1278912">1 C</figureCitation>
). Other legs and sterna without extra modifications. Gonopods (Fig.
<figureCitation id="8ADD254A231B04952DBAE491068B58B6" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Xystodesmus fasciatus sp. nov., male paratype from Fukiage, Kagoshima Pref. A, B right gonopod, ventromesal and dorsolateral views, respectively C 2 nd legpair, anterior view D left 6 th leg, posterior view E sterna of 3 rd segment, anterior view F sterna of 4 th segment, anterior view. Abbreviations: a = acropodite, ca = coxal apophysis, ms = macroseta, pfp = prefemoral process. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1231.141443.figure1" httpUri="https://binary.pensoft.net/fig/1278912">1 A, B</figureCitation>
): Basically composed of two conspicuous processes, one considered as prefemoral process (
<emphasis id="2A58B80B74EB6514A8A5C7CC582247E9" italics="true">pfp</emphasis>
), and one as acropodite (
<emphasis id="8ABCAC9799A9890C332F1D351ED4B537" italics="true">a</emphasis>
). Coxa strong, stout, nearly as long as wide, with well-developed, hook-like apophysis (
<emphasis id="36DB3AAE50F7939005C27ADE2C31D664" italics="true">ca</emphasis>
) on its anteriomesal shoulder, and a large single apophyseal seta (
<emphasis id="5243864BACF05FE5E0075533DA88BC1D" italics="true">ms</emphasis>
). Prefemur stout, bent dorsad, densely setose, prefemoral process broad and flat, like a lamella, abruptly tapering to its tip which is pointed and curved backwards, in the direction of the coxal apophysis. Acropodite setose up to 2 / 3 of its length, gradually tapering towards its tip which is bent mesad, and terminates in two pointed branches connected to each other by a transparent, thin plate. At approximately the separation point of the two tips on the lateral side a small, there is a pointed process like a spur. Prostatic groove runs along the dorsomesal edge of the acropodite.
</paragraph>
<caption id="B076ABADCBE32516BD4350C5C86C0CDC" ID-DOI="10.3897/zookeys.1231.141443.figure1" ID-arpha="26E64ED4-3FC1-5AF5-AE72-02DFD9D615C8" httpUri="https://binary.pensoft.net/fig/1278912" startId="F1">
<paragraph id="761FC248C822102EE7BDF3FE76EDA5A2">
<label id="800E69E5DDE9D439523AE5961A254C0C">Figure 1.</label>
</paragraph>
<paragraph id="37BC55E4C1935F0EE662E5F2AA6100F9">
<taxonomicName id="9FE57FE3AB39A9A25EF976FDE16C78B6" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="fasciatus" status="sp. nov.">
<emphasis id="F7A182BBB0C13060CDB99E80EC150D86" italics="true">Xystodesmus fasciatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="27A3F12C212C9FA0C78443C5709CD1E5" rank="species">sp. nov.</taxonomicNameLabel>
, male paratype from Fukiage, Kagoshima Pref.
<emphasis id="5E129E0AB3EAE8BE52C780C2A1F83298" bold="true">A, B</emphasis>
right gonopod, ventromesal and dorsolateral views, respectively
<emphasis id="B33F9E4169684DAD9EC471C548C06773" bold="true">C</emphasis>
2
<superScript id="2067C416C8B8724C5A6886312853791C">nd</superScript>
legpair, anterior view
<emphasis id="CB3E1527CFF61B239C93C2CF823ACA7A" bold="true">D</emphasis>
left 6
<superScript id="2EFFD025F8A14BA8392BBE475A1093A9">th</superScript>
leg, posterior view
<emphasis id="4C5244A0219B814B7F5BF81E7EBE5EA5" bold="true">E</emphasis>
sterna of 3
<superScript id="988A2A0C947223EEC90971A1251AA6D6">rd</superScript>
segment, anterior view
<emphasis id="1AA280695013F1D3933CC43B64869C5C" bold="true">F</emphasis>
sterna of 4
<superScript id="7C0D958B87E2FED043A78393958AA7F4">th</superScript>
segment, anterior view. Abbreviations: a = acropodite, ca = coxal apophysis, ms = macroseta, pfp = prefemoral process. Scale bars: 1 mm.
</paragraph>
</caption>
<paragraph id="8452DC79CDCC8612703E208504A42089">Female unknown.</paragraph>
</subSubSection>
<subSubSection id="SECID0EPPAG" type="remarks">
<paragraph id="BF4439C6C3BC76F7DCD8E10F844AF2EF">
<heading id="5B498F599A74CB47820B483D0AED82CF" reason="title">Remarks.</heading>
</paragraph>
<paragraph id="95B18F7975971EDD4A056005B603CBAC">
The specimens were found in planted and managed
<taxonomicName id="067773CAFC953B72DFD3571D71BD420E" class="Insecta" family="Erebidae" genus="Cryptomeria" kingdom="Animalia" order="Lepidoptera" phylum="Arthropoda" rank="species" species="japonica">
<emphasis id="FE1FB3CE5193A9027C2D9A29D279436D" italics="true">Cryptomeria japonica</emphasis>
</taxonomicName>
forest, in the deeper layers of mulch, in association with another xystodesmine millipede,
<taxonomicName id="2AD59BE64F8CAC1774528A98C238B46B" authority="(Haga, 1968)" baseAuthorityName="Haga" baseAuthorityYear="1968" class="Diplopoda" family="Xystodesmidae" genus="Riukiaria" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="cornuta">
<emphasis id="DAAE57DC49A4BFB741F167C8B29EC319" italics="true">Riukiaria cornuta</emphasis>
(
<bibRefCitation id="C0DED66958FF0AAE00AFD01ED6C1511E" author="Haga A" refId="B6" refString="Haga A (1968) [Japanese Millipedes]. Private publication, 11 pp. [in Japanese]" year="1968">Haga, 1968</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0ELQAG" type="etymology">
<paragraph id="12A26F25E497388BDCA2737A2BA1DC76">
<heading id="B318BBA26F0B6CA47F22D7F84C89475D" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="82E8166C4746B12BA95209F756491896">
To emphasise the transversely banded appearance (=
<emphasis id="B5F7D1BF0051967EED5301E76B467C1B" italics="true">fasciatus</emphasis>
, in Latin). Adjective, masculine.
</paragraph>
</subSubSection>
</treatment>
</document>

View file

@ -0,0 +1,183 @@
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<mods:title id="89D19B24C109098DCDDDB672C9FDA691">Review of the millipede genus Xystodesmus (Diplopoda, Polydesmida), with seven new species from the southwestern part of Japan</mods:title>
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<mods:namePart id="43A7F7FB456A9F23079E6575E12B59E7">Korsós, Zoltán</mods:namePart>
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<mods:affiliation id="8B8676DF2C421E7F1CCBE6BE77715741">Department of Zoology, Hungarian Natural History Museum, Baross u. 13, H- 1088 Budapest, Hungary &amp; Department of Zoology, University of Veterinary Medicine Budapest, Rottenbiller u. 50, H- 1077 Budapest, Hungary &amp; Tropical Biosphere Research Center, University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0213, Japan</mods:affiliation>
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<mods:namePart id="093AD1DBD8CC550D9A651F92464860E5">Nakamura, Yasuyuki</mods:namePart>
<mods:affiliation id="2AB9AFCCA170344B5432F178A34FD679">Fujukan, The Museum of the University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0129, Japan</mods:affiliation>
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</mods:mods>
<treatment id="59336AE4CC57597AACD065B8052FF9A1" ID-arpha="59336AE4-CC57-597A-ACD0-65B8052FF9A1" LSID="urn:lsid:plazi:treatment:59336AE4CC57597AACD065B8052FF9A1" httpUri="http://treatment.plazi.org/id/59336AE4CC57597AACD065B8052FF9A1">
<subSubSection id="7C4077C95DF0ED552F46428ED7A19E42" type="nomenclature">
<paragraph id="207C9F9D937B2D253915492D7C2DDB4B">
<taxonomicName id="ED300D9B373967D073C629A6968266C3" ID-CoL="5CQGM" authority="(Chamberlin &amp; Wang, 1953)" baseAuthorityName="Chamberlin &amp; Wang" baseAuthorityYear="1953" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="nikkoensis">
<emphasis id="757423E58E21DC7D4FB308606000D6A5" italics="true">Xystodesmus nikkoensis</emphasis>
(
<bibRefCitation id="27FDF989AD095371186C4A89D13F98F9" author="Chamberlin RV &amp; Wang YM." journalOrPublisher="American Museum Novitates" pagination="1-13" refId="B2" refString="Chamberlin RV, Wang YM. (1953) Records of millipeds (Diplopoda) from Japan and other oriental areas, with descriptions of new genera and species. American Museum Novitates 1621: 1-13." title="Records of millipeds (Diplopoda) from Japan and other oriental areas, with descriptions of new genera and species." volume="1621" year="1953">Chamberlin &amp; Wang, 1953</bibRefCitation>
)
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="2966B560BA3E7754E50763847D3043B7" type="description">
<paragraph id="2BCB64231B88D88AF8C530624D6E7737">
<figureCitation id="B5BDFBE1FA20365090A2103AD8B7337E" captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Live habitus of Xystodesmus millipedes A, B X. variatus (Pocock, 1895) males, Kouri-jima Isl., Okinawa Pref. C, D X. martensii (Peters, 1864) males C Eno-shima Isl., Kanagawa Pref. D Mt. Oyama, Kanagawa Pref. E, F X. nikkoensis (Chamberlin &amp; Wang, 1953) males, Yaku-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure17" httpUri="https://binary.pensoft.net/fig/1278928">Fig. 17 E, F</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="9935F9E6E86404A35D96B9EB7FAC018D" type="reference_group">
<paragraph id="A8964AB5867CAE9D3AFE5CD0AAC249CF">
<treatmentCitationGroup id="072A9B6B2A7924C6B161A603AAEFC17C">
<treatmentCitation id="3BEBD06781F26ADE592DFB943352A090" author="Chamberlin RV &amp; Wang YM." page="9" year="1953">
<taxonomicName id="DF7A73659BE18F7EC74D5937671361B1" ID-CoL="73ZMR" authority="Chamberlin &amp; Wang, 1953: 9" authorityName="Chamberlin &amp; Wang" authorityPageNumber="9" authorityYear="1953" class="Diplopoda" family="Xystodesmidae" genus="Nikkonus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="nikkoensis">
<emphasis id="FF28A284A311B378BA270C4E609DF60C" italics="true">Nikkonus nikkoensis</emphasis>
<comment id="B948FD89DC7EF26E6A34CCD78CDE1E48">
<bibRefCitation id="51D43A07162BFD2DAC4378AC311BE56A" author="Chamberlin RV &amp; Wang YM." journalOrPublisher="American Museum Novitates" pagination="1-13" refId="B2" refString="Chamberlin RV, Wang YM. (1953) Records of millipeds (Diplopoda) from Japan and other oriental areas, with descriptions of new genera and species. American Museum Novitates 1621: 1-13." title="Records of millipeds (Diplopoda) from Japan and other oriental areas, with descriptions of new genera and species." volume="1621" year="1953">Chamberlin &amp; Wang, 1953: 9</bibRefCitation>
, fig. 3
</comment>
</taxonomicName>
</treatmentCitation>
</treatmentCitationGroup>
</paragraph>
<paragraph id="C73787D435F5BB5178281CF9D3AB8F24">
<treatmentCitationGroup id="095A56A49A80FCD745A275C46D47B104">
<treatmentCitation id="BF3C7F3F8C1DF8E089A9D83BCB64DA52">
<taxonomicName id="157384AE5A5BC73DAF7FABD45709FEC6" ID-CoL="5CQGM" baseAuthorityName="Chamberlin &amp; Wang" baseAuthorityYear="1953" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="nikkoensis">
<emphasis id="5114E5E937C94446F2057BE36D9ADD95" italics="true">Xystodesmus nikkoensis</emphasis>
</taxonomicName>
<comment id="28EDBE0B0F02F4373807F3D3593CA2AE">
:
<treatmentCitation id="9F6BDF65ADDE26F74B9D1E83A2BE9092" author="Tanabe T &amp; Shinohara K" page="1484" year="1996">
<bibRefCitation id="47578B0B0CEFA25390035781A54DC53B" DOI="10.1080/00222939600770831" author="Tanabe T &amp; Shinohara K" firstAuthor="Tanabe" issue="10" journalOrPublisher="Journal of Natural History" page="1484" pagination="1459-1494" refId="B40" refString="Tanabe T, Shinohara K (1996) Revision of the millipede genus Xystodesmus, with reference to the status of the tribe Xystodesmini (Diplopoda: Xystodesmidae). Journal of Natural History 30 (10): 14591494. https://doi.org/10.1080/00222939600770831" title="Revision of the millipede genus Xystodesmus, with reference to the status of the tribe Xystodesmini (Diplopoda: Xystodesmidae)." volume="30" year="1996">Tanabe and Shinohara 1996: 1484</bibRefCitation>
</treatmentCitation>
, figs 37, 11 J K, 13 A, 16 A, 17 L, M
</comment>
</treatmentCitation>
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EA4BI" type="material">
<paragraph id="8175667A9DA12B7F96FD53ACAA0CF281">
<heading id="96C97C24423C5A6406D2022BD8C9A639" reason="title">Material examined.</heading>
</paragraph>
<paragraph id="76E2EBE8F1C5D2FF8CFDB16A02F0DCEC">
<materialsCitation id="2534422F790A584E8053B6DE89EFEB43" collectingDate="2010-07-05" collectionCode="HNHM" collectorName="Z. Korsos" country="Japan" county="Northern Ryukyus" elevation="190" latitude="30.311666" location="Yaku-shima Isl." longLatPrecision="1" longitude="130.63167" municipality="Osumi Group" specimenCount="4" specimenCount-male="4" stateProvince="Kagoshima">
<specimenCount id="21DDA3D78E8C786F1F6F062BAA8C97E5" count="4" type="male">4 males</specimenCount>
,
<collectingCountry id="5B9D6214A0AB55D58BD0C55B2E6D831A" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="551A36EE957F35B754EBCA530C74B842">Northern Ryukyus</collectingCounty>
,
<collectingRegion id="C9FE49A966475BE913BE2FC672192D7E" country="Japan" name="Kagoshima">Kagoshima Pref.</collectingRegion>
,
<collectingMunicipality id="255BAF7F04C973385BBACBD54BBB33F9">Osumi Group</collectingMunicipality>
,
<location id="BC7AC505678B961E1131734183F322A3" LSID="urn:lsid:plazi:treatment:59336AE4CC57597AACD065B8052FF9A1:BC7AC505678B961E1131734183F322A3" country="Japan" county="Northern Ryukyus" latitude="30.311666" longLatPrecision="1" longitude="130.63167" municipality="Osumi Group" name="Yaku-shima Isl." stateProvince="Kagoshima">Yaku-shima Isl.</location>
,
<location id="372EA182B3B19B64E794FE04FAF3D3D5" LSID="urn:lsid:plazi:treatment:59336AE4CC57597AACD065B8052FF9A1:372EA182B3B19B64E794FE04FAF3D3D5" country="Japan" county="Northern Ryukyus" latitude="30.311666" longLatPrecision="1" longitude="130.63167" municipality="Osumi Group" name="Anbo forest" stateProvince="Kagoshima">Anbo forest</location>
road,
<taxonomicName id="D636089A82EC8480AD32D64CBB8CD5CE" class="Insecta" family="Erebidae" genus="Cryptomeria" kingdom="Animalia" order="Lepidoptera" phylum="Arthropoda" rank="species" species="japonica">
<emphasis id="A1931920AAD470DD260B64178155547B" italics="true">Cryptomeria japonica</emphasis>
</taxonomicName>
forest,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EU4BI" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[130.631667,30.311667]}">
<geoCoordinate id="E84E60A583C59309C1B76A09B20BA07C" degrees="30" direction="north" minutes="18" orientation="latitude" precision="1" seconds="42.0" value="30.311666">30 ° 18 ' 42.0 &quot; N</geoCoordinate>
,
<geoCoordinate id="085D2CD00974E9586A2CA0C1B21CD95E" degrees="130" direction="east" minutes="37" orientation="longitude" precision="1" seconds="54.0" value="130.63167">130 ° 37 ' 54.0 &quot; E</geoCoordinate>
</named-content>
,
<elevation id="14218DEAC431E03CC2F18078E3187A0B" metricMagnitude="2" metricUnit="m" metricValue="1.9" unit="m" value="190.0">
<quantity id="303BE10BE755C4B0DFBBCA7627074B33" metricMagnitude="2" metricUnit="m" metricValue="1.9" unit="m" value="190.0">190 m</quantity>
a. s. l.
</elevation>
,
<date id="449C3E5FF9551088E1DAF6345833FB8A" value="2010-07-05">
<collectingDate id="1E54A49DEB59E425826CB2B105ED6F48" value="2010-07-05">5 July 2010</collectingDate>
</date>
, leg.
<collectorName id="28FFF7894E43B10B6C5809F44C92D631">Z. Korsós</collectorName>
(
<named-content id="0EF11E3D3B58F1712261E63B42447CCB" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/hungarian-natural-history-museum-termeszettudomanyi-muzeum" xlink_title="Hungarian Natural History Museum, Budapest">
<collectionCode id="80FD9E919B373EA00E24801D7D99A023" country="Hungary" lsid="urn:lsid:biocol.org:col:34991" name="Hungarian Natural History Museum (Termeszettudomanyi Muzeum)">HNHM</collectionCode>
</named-content>
diplo- 04551)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0E54BI" type="Descriptive notes">
<paragraph id="BBD2549AB7962EE23FC69AC43F6D2DA1">
<heading id="0F01AB5C63BBC25C56EA6B2ECEAB732D" reason="title">Descriptive notes.</heading>
</paragraph>
<paragraph id="0126920E89A3489DA80ADCEEEC91BAA4">
<bibRefCitation id="54EAB95A73EFFB45B56BA1BB7A7FE8DD" DOI="10.1080/00222939600770831" author="Tanabe T &amp; Shinohara K" firstAuthor="Tanabe" issue="10" journalOrPublisher="Journal of Natural History" pagination="1459-1494" refId="B40" refString="Tanabe T, Shinohara K (1996) Revision of the millipede genus Xystodesmus, with reference to the status of the tribe Xystodesmini (Diplopoda: Xystodesmidae). Journal of Natural History 30 (10): 14591494. https://doi.org/10.1080/00222939600770831" title="Revision of the millipede genus Xystodesmus, with reference to the status of the tribe Xystodesmini (Diplopoda: Xystodesmidae)." volume="30" year="1996">Tanabe and Shinohara (1996)</bibRefCitation>
gave a short redescription and showed relatively small variability in the male gonopod structure. Our specimens, collected exactly on the original
<typeStatus id="B55479EE61B854AEC227790AA8685E53">type</typeStatus>
locality (“ Anbo Rindo ”, Yaku-shima Island) are in complete agreement.
<bibRefCitation id="F90130B262F1AFCCC47038AF1784AFA0" DOI="10.1080/00222939600770831" author="Tanabe and Shinohara" firstAuthor="Tanabe" issue="10" journalOrPublisher="Journal of Natural History" pagination="1459-1494" refId="B40" refString="Tanabe T, Shinohara K (1996) Revision of the millipede genus Xystodesmus, with reference to the status of the tribe Xystodesmini (Diplopoda: Xystodesmidae). Journal of Natural History 30 (10): 14591494. https://doi.org/10.1080/00222939600770831" title="Revision of the millipede genus Xystodesmus, with reference to the status of the tribe Xystodesmini (Diplopoda: Xystodesmidae)." volume="30" year="1996">Tanabe and Shinohara (1996</bibRefCitation>
, p. 1484) also said
<taxonomicName id="4C8D0292C9E2C98320B8666D8FBD8119" baseAuthorityName="Chamberlin &amp; Wang" baseAuthorityYear="1953" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="nikkoensis">
<emphasis id="4D6C6A4F08BC136037FC60BC124FE43C" italics="true">X. nikkoensis</emphasis>
</taxonomicName>
is “ the smallest species of xystodesmid in
<collectingCountry id="3962593455046B49C652FE6F9E4AF1F8" name="Japan">Japan</collectingCountry>
”. This statement, however, in light of the present discovery of the new species
<taxonomicName id="8BDEC4767E2AE092AD480F1CEBC792F1" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="parvus" status="sp. nov.">
<emphasis id="4196054867EE1211D8E23661BD48A1A3" italics="true">X. parvus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="119C1134D61E808B31FBFC8BBB049CCE" rank="species">sp. nov.</taxonomicNameLabel>
and
<taxonomicName id="6342904614F49B55DBD79DB61519009A" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="sesokoensis" status="sp. nov.">
<emphasis id="D183D092C7E2EF74890CDAB0B16549C2" italics="true">X. sesokoensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="D918DEF1709B645D5A2CE6E0F01C3DC4" rank="species">sp. nov.</taxonomicNameLabel>
, is not true anymore.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EN6BI" type="Colour of living specimens">
<paragraph id="B568E4C2CD4127B5131FC18576179EA6">
<heading id="A020F210D48443E5F63BF62FC8524FBD" reason="title">Colour of living specimens</heading>
</paragraph>
<paragraph id="943CCFB69A2958F4EF44839BA92CBC9F">
(Fig.
<figureCitation id="62F1AD571A45ED170A3422158B296A1F" captionStart="Figure 17" captionStartId="F17" captionText="Figure 17. Live habitus of Xystodesmus millipedes A, B X. variatus (Pocock, 1895) males, Kouri-jima Isl., Okinawa Pref. C, D X. martensii (Peters, 1864) males C Eno-shima Isl., Kanagawa Pref. D Mt. Oyama, Kanagawa Pref. E, F X. nikkoensis (Chamberlin &amp; Wang, 1953) males, Yaku-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure17" httpUri="https://binary.pensoft.net/fig/1278928">17 E, F</figureCitation>
). According to
<bibRefCitation id="C1E4588B692975E0264B04AB254F8648" DOI="10.1080/00222939600770831" author="Tanabe T &amp; Shinohara K" firstAuthor="Tanabe" issue="10" journalOrPublisher="Journal of Natural History" page="1484" pagination="1459-1494" refId="B40" refString="Tanabe T, Shinohara K (1996) Revision of the millipede genus Xystodesmus, with reference to the status of the tribe Xystodesmini (Diplopoda: Xystodesmidae). Journal of Natural History 30 (10): 14591494. https://doi.org/10.1080/00222939600770831" title="Revision of the millipede genus Xystodesmus, with reference to the status of the tribe Xystodesmini (Diplopoda: Xystodesmidae)." volume="30" year="1996">Tanabe and Shinohara (1996: 1484)</bibRefCitation>
Yaku-shima specimens have on “ collum and metatergites with yellowish white paranotal spots ”. Based on our freshly photographed animals also from Yaku-shima Isl., we can support this observation and can add that those paranotal spots are even more conspicuous next to the entirely dark brown body colour.
</paragraph>
</subSubSection>
</treatment>
</document>

View file

@ -0,0 +1,379 @@
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<mods:title id="D280DFE524FAE2BC1251B6F2DDB6C890">Review of the millipede genus Xystodesmus (Diplopoda, Polydesmida), with seven new species from the southwestern part of Japan</mods:title>
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<mods:namePart id="7FC68C267DE5001915CB970B7AB92DB3">Korsós, Zoltán</mods:namePart>
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<mods:affiliation id="852E11B38E4F65DE44B8D3F109EF7A05">Department of Zoology, Hungarian Natural History Museum, Baross u. 13, H- 1088 Budapest, Hungary &amp; Department of Zoology, University of Veterinary Medicine Budapest, Rottenbiller u. 50, H- 1077 Budapest, Hungary &amp; Tropical Biosphere Research Center, University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0213, Japan</mods:affiliation>
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<mods:namePart id="604415C9888A4259B1C575BF17D740A4">Nakamura, Yasuyuki</mods:namePart>
<mods:affiliation id="802CF981682C9BF0ECB49C558C1E8EC6">Fujukan, The Museum of the University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0129, Japan</mods:affiliation>
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<subSubSection id="92DEE3D339DAAF97318EE533A3AA83A9" type="nomenclature">
<paragraph id="9913A5695C2E9E322B3DE7945D5DF3D2">
<taxonomicName id="5B0047BB0CFECB9EA4942317F7B48B16" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="kumeensis" status="sp. nov.">
<emphasis id="B0B0FF9E05ED67812D670278D95336D8" italics="true">Xystodesmus kumeensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="7C75BE5F2D83048D6C1B0349F0BBDB42" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="0F7B250EFE4700735FEBB85487C91364" type="description">
<paragraph id="3E6318437BBDF36563C7CFDBCC620346">
<figureCitation id="FB737DC2794700E25B74F50EC0084649" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Xystodesmus kumeensis sp. nov., paratypes from Kume-jima Island, Okinawa Pref. A C right gonopod of male paratype, mesal, lateral, and ventromesal (B, telopodite only) views, respectively D 2 nd legpair of female paratype, anterior view E cyphopods, posterior view F left cyphopod, anteriolateral view. Abbreviations: a = acropodite, ca = coxal apophysis, l = lamella, ms = macroseta, op = operculum, pfp = prefemoral process, r = receptacle, t = tooth, v = valve. Scale bars: 0.5 mm (A C, F); 1 mm (D); 0.4 mm (E)." figureDoi="10.3897/zookeys.1231.141443.figure5" httpUri="https://binary.pensoft.net/fig/1278916">Figs 5 A F</figureCitation>
,
<figureCitation id="B57EECC7FA55F8329FFFF994C025904A" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 C</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EFGBG" type="type material">
<paragraph id="C82359424F4652EE540B0BACD87CEA09">
<heading id="ADCC9A7A3E63BF13309F66EB9A550F21" reason="title">Type material.</heading>
</paragraph>
<paragraph id="3F8A157DCA78F5096D15D234B3F46572">
<materialsCitation id="341731F48E540007BE050B0D94248373" collectingDate="1992-02-23" collectionCode="NSMT" collectorName="T. Tanabe" country="Japan" county="Central Ryukyus" elevation="90" location="Kume-jima Isl." municipality="Group" specimenCount="1" stateProvince="Okinawa" typeStatus="holotype">
<emphasis id="DE39C2AB8D47C21063A74C443BF66D52" bold="true" italics="true">
<typeStatus id="5C955FB3055D7D24AC48452C02EC07E1" type="holotype">Holotype</typeStatus>
</emphasis>
: • male,
<collectingCountry id="7D4C0119240D0F18AE82EB8F28B68E8C" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="ACE7FCB8E064280AA436D8F86B7C34F5">Central Ryukyus</collectingCounty>
,
<collectingRegion id="523C87B6499BAACBFFC39A560D379C60" country="Japan" name="Okinawa">Okinawa Pref.</collectingRegion>
,
<collectingRegion id="5057F8A6DBC178B475BBEA8808704F39" country="Japan" name="Okinawa">Okinawa</collectingRegion>
<collectingMunicipality id="7D1F784772141643131FA221430A0135">Group</collectingMunicipality>
,
<location id="268F0ECE94C4249D910FA02331D23666" LSID="urn:lsid:plazi:treatment:65DD3C9D2079502BB2E479E5402F91B5:268F0ECE94C4249D910FA02331D23666" country="Japan" county="Central Ryukyus" municipality="Group" name="Kume-jima Isl." stateProvince="Okinawa">Kume-jima Isl.</location>
,
<location id="7C7B228253FC377E215FCC58079156AA" LSID="urn:lsid:plazi:treatment:65DD3C9D2079502BB2E479E5402F91B5:7C7B228253FC377E215FCC58079156AA" country="Japan" county="Central Ryukyus" municipality="Group" name="Kanegusuku" stateProvince="Okinawa">Kanegusuku</location>
Self Defense Force base,
<quantity id="7209E0E4E30ED7A0DB5F2675D3D35E10" metricMagnitude="3" metricUnit="m" metricValue="2.2" unit="km" value="2.2">2.2 km</quantity>
from pref. road,
<elevation id="E7F8C87A93CFCD948E19CA3CAAF2E59B" metricMagnitude="1" metricUnit="m" metricValue="9.0" unit="m" value="90.0">
<quantity id="5E25304FA7298FE6815A23CF0DBA3C69" metricMagnitude="1" metricUnit="m" metricValue="9.0" unit="m" value="90.0">90 m</quantity>
a. s. l.
</elevation>
,
<date id="95B8EC87EFFFFD31D62D78E9913C93FC" value="1992-02-23">
<collectingDate id="EAF12723ED01896CA4DD033537F7A908" value="1992-02-23">23 February 1992</collectingDate>
</date>
, leg.
<collectorName id="7BE42AB6ADCF417514ED69FB6EBE96BC">T. Tanabe</collectorName>
(
<named-content id="C9B76BA235A586D3EE5D0F049E55EB63" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="37A62038609DF140ADAB354D224AB12A" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 539)
</materialsCitation>
.
<materialsCitation id="E2EFAB5938C0B1A42DD7646A64E29A10" collectingDate="1992-02-23" collectionCode="NSMT" collectorName="T. Tanabe" country="Japan" county="Central Ryukyus" elevation="90" location="Kume-jima Isl." municipality="Group" specimenCount="4" specimenCount-female="4" stateProvince="Okinawa" typeStatus="paratype">
<emphasis id="FB9CAD4966A77E4BBDB258B0340F2BDE" bold="true" italics="true">
<typeStatus id="63E255FFC82D05AF6347AC80B0582D59" type="paratype">Paratypes</typeStatus>
</emphasis>
: •
<specimenCount id="9CA84EBFD9A670FB49D3CF32612C05F8" count="4" type="female">4 females</specimenCount>
(
<named-content id="54F05508D5794ADB018C756D9110A9BD" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="9C27A6A8CE5F3A0A1BA44AC8D9F31D89" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 540) same locality and date
</materialsCitation>
; •
<materialsCitation id="4A73BDF033B7EFD3181887E818D99AE1" collectingDate="2011-11-07" collectionCode="RUMF" collectorName="A. and Z. Korsos" country="Japan" county="Central Ryukyus" elevation="235" latitude="26.376389" location="Kume-jima Isl." longLatPrecision="20" longitude="126.772224" municipality="Group" specimenCount="2" specimenCount-female="1" specimenCount-male="1" stateProvince="Okinawa" typeStatus="paratype">
<specimenCount id="0DF055A1504945F81D5EE8C6976E9024" count="1" type="male">1 male</specimenCount>
,
<specimenCount id="84CCFB4DD949A117DB02C7E54BDECE5D" count="1" type="female">1 female</specimenCount>
,
<collectingCountry id="122816F299894E4B3BA4A792C1DF5093" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="32C33854BAE9F808894A56B234E01344">Central Ryukyus</collectingCounty>
,
<collectingRegion id="DC801B8E005F4C16627E78DA82C88F54" country="Japan" name="Okinawa">Okinawa Pref.</collectingRegion>
,
<collectingRegion id="EBC63B3E6FC126164FE2214E012A352D" country="Japan" name="Okinawa">Okinawa</collectingRegion>
<collectingMunicipality id="4D3DFDD53507708BE5E5CFB55EC98D37">Group</collectingMunicipality>
,
<location id="EA4AA189A18AA6B493D58B8A6A636A96" LSID="urn:lsid:plazi:treatment:65DD3C9D2079502BB2E479E5402F91B5:EA4AA189A18AA6B493D58B8A6A636A96" country="Japan" county="Central Ryukyus" latitude="26.376389" longLatPrecision="20" longitude="126.772224" municipality="Group" name="Kume-jima Isl." stateProvince="Okinawa">Kume-jima Isl.</location>
,
<location id="60EC8E0F2B84A87B8831A8A9841A058D" LSID="urn:lsid:plazi:treatment:65DD3C9D2079502BB2E479E5402F91B5:60EC8E0F2B84A87B8831A8A9841A058D" country="Japan" county="Central Ryukyus" latitude="26.376389" longLatPrecision="20" longitude="126.772224" municipality="Group" name="Uegusuku" stateProvince="Okinawa">Uegusuku</location>
shrine,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EAHBG" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[126.772222,26.376389]}">
<geoCoordinate id="6CA3D9FAECA967E7B7839602FC5664D0" degrees="26" direction="north" minutes="22" orientation="latitude" precision="15" seconds="35" value="26.376389">26 ° 22 ' 35 &quot; N</geoCoordinate>
,
<geoCoordinate id="3FBED3292B948DD6E5FF5FCF8022B7C9" degrees="126" direction="east" minutes="46" orientation="longitude" precision="15" seconds="20" value="126.772224">126 ° 46 ' 20 &quot; E</geoCoordinate>
</named-content>
,
<elevation id="0E9F52C927358524A33F5A652B84617C" metricMagnitude="2" metricUnit="m" metricValue="2.35" unit="m" value="235.0">
<quantity id="33AA9BC92F46B38AD75F6ACC394CBB69" metricMagnitude="2" metricUnit="m" metricValue="2.35" unit="m" value="235.0">235 m</quantity>
a. s. l.
</elevation>
, from roots of
<taxonomicName id="940C19C40DCAC7B58D3E86E9F07F40EE" authorityName="Roding" authorityYear="1798" class="Gastropoda" family="Ficidae" genus="Ficus" kingdom="Animalia" order="Littorinimorpha" phylum="Mollusca" rank="genus">
<emphasis id="519229D021595C58B1B7A364E546176A" italics="true">Ficus</emphasis>
</taxonomicName>
tree,
<date id="244132A3747E3C165E740B1E6810215C" value="2011-11-07">
<collectingDate id="016450E60F881E1D11BA397560CD57A4" value="2011-11-07">7 November 2011</collectingDate>
</date>
, leg.
<collectorName id="6620D024D00C8D89B89FC14B25BF1C52">A. and Z. Korsós</collectorName>
(
<named-content id="19B977916D38DF5269578C342B4F138A" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/university-ryukyus" xlink_title="Museum of the University of the Ryukyus, Okinawa">
<collectionCode id="B5C981DB1B8334F7D2AFD4770D157A4F">RUMF</collectionCode>
</named-content>
- ZD- 00946 [male] and - 00947 [female])
</materialsCitation>
; •
<materialsCitation id="9FD77670A8E5532187F2F1D2EFD9CAE0" collectingDate="2011-11-09" collectionCode="HNHM" collectorName="A. and Z. Korsos" country="Japan" county="Central Ryukyus" elevation="204" latitude="26.36861" location="Kume-jima Isl." longLatPrecision="20" longitude="126.763885" municipality="Group" specimenCount="2" specimenCount-male="2" stateProvince="Okinawa" typeStatus="paratype">
<specimenCount id="5EBAD306B8A595244F89C2783BE7367C" count="2" type="male">2 males</specimenCount>
,
<collectingCountry id="C66A39D042B43CCD819CEACF7D921200" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="05635F49E4A688D8ADD5E4D97BCE4E0B">Central Ryukyus</collectingCounty>
,
<collectingRegion id="134F0FAB266CB1A6F3E82E98E6092E82" country="Japan" name="Okinawa">Okinawa Pref.</collectingRegion>
,
<collectingRegion id="4B31FF8E945C35A5A7E91F4FC5A21D39" country="Japan" name="Okinawa">Okinawa</collectingRegion>
<collectingMunicipality id="BE41CC771C67130E5BD6AC7E58293372">Group</collectingMunicipality>
,
<location id="6BC491B2C5EF693864E2EA3971C1F7E5" LSID="urn:lsid:plazi:treatment:65DD3C9D2079502BB2E479E5402F91B5:6BC491B2C5EF693864E2EA3971C1F7E5" country="Japan" county="Central Ryukyus" latitude="26.36861" longLatPrecision="20" longitude="126.763885" municipality="Group" name="Kume-jima Isl." stateProvince="Okinawa">Kume-jima Isl.</location>
,
<location id="50E2D84C9C81BE6A3C7CEF490A35D98F" LSID="urn:lsid:plazi:treatment:65DD3C9D2079502BB2E479E5402F91B5:50E2D84C9C81BE6A3C7CEF490A35D98F" country="Japan" county="Central Ryukyus" latitude="26.36861" longLatPrecision="20" longitude="126.763885" municipality="Group" name="Daruma-yama forest" stateProvince="Okinawa">Daruma-yama forest</location>
road,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EUHBG" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[126.763889,26.368611]}">
<geoCoordinate id="EC5D02DD70E66DF4D15AF00CC4652116" degrees="26" direction="north" minutes="22" orientation="latitude" precision="15" seconds="07" value="26.36861">26 ° 22 ' 07 &quot; N</geoCoordinate>
,
<geoCoordinate id="0DFB10CA598BF4A04C80864DBBD7348A" degrees="126" direction="east" minutes="45" orientation="longitude" precision="15" seconds="50" value="126.763885">126 ° 45 ' 50 &quot; E</geoCoordinate>
</named-content>
,
<elevation id="1638FDFBB462CB75E3CD75D03F3B9E37" metricMagnitude="2" metricUnit="m" metricValue="2.04" unit="m" value="204.0">
<quantity id="A70F571CAF196A3B104C0306C0D699F4" metricMagnitude="2" metricUnit="m" metricValue="2.04" unit="m" value="204.0">204 m</quantity>
a. s. l.
</elevation>
,
<date id="0F6A113C4DFD13DDE19684682C2EEAEC" value="2011-11-09">
<collectingDate id="948A2B465E34F3003A2ED91FD7913633" value="2011-11-09">9 November 2011</collectingDate>
</date>
, leg.
<collectorName id="9E503B5389BB4D55154D7F44A116A249">A. and Z. Korsós</collectorName>
(
<named-content id="93A15EF05484831D99CA282F5F665C91" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/hungarian-natural-history-museum-termeszettudomanyi-muzeum" xlink_title="Hungarian Natural History Museum, Budapest">
<collectionCode id="A41827EE2FB3D0AA0C879C8641F1E0A2" country="Hungary" lsid="urn:lsid:biocol.org:col:34991" name="Hungarian Natural History Museum (Termeszettudomanyi Muzeum)">HNHM</collectionCode>
</named-content>
diplo- 04543)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0E5HBG" type="type material">
<paragraph id="9CA4D4ECE5742B54AFE1EED7F3E0F71E">
<heading id="08B0743E5C687305B180F5F41356EA9B" reason="title">Other non-type material.</heading>
</paragraph>
<paragraph id="B27FC379EADF011A2F6F88BC38FD52A9">
<specimenCount id="AD85D6CFFD5A2860BD0EFA7C99695F24" count="18" type="juvenile">18 juveniles</specimenCount>
, same locality and date as
<typeStatus id="6DABDBB7782CFF51EF9D50A8F3208FBE" type="holotype">holotype</typeStatus>
(
<named-content id="6AF75EC78BDEAF217355DFFE36C77850" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="111DC51BB5EAE175384DF208E69FE77A" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 541).
</paragraph>
</subSubSection>
<subSubSection id="SECID0EJIBG" type="diagnosis">
<paragraph id="26B170AC31FBF42A66CD60732238B443">
<heading id="18DD082C29FC3D7B36B2E936D2A20964" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="8608B7E15F00D86E1719553E39DE8018">
Medium-sized
<taxonomicName id="C906B692C38735CF1B78B4B9A7A32E57" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="A0E9ADF1870090460F939364B400C83E" italics="true">Xystodesmus</emphasis>
</taxonomicName>
, male with essentially simple, two-branched gonopod, and a small, isolated coxal apophysis. Most similar to
<taxonomicName id="B5F737683B44E7BFBFBEE8E66393F264" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="rebekae" status="sp. nov.">
<emphasis id="277698F37B8A00FAB5E36656B5D33318" italics="true">X. rebekae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="1C81F46EC64217247E1872FD5233037E" rank="species">sp. nov.</taxonomicNameLabel>
,
<taxonomicName id="F0BCF46D10CB602BC1C19A4776844C9F" baseAuthorityName="Takakuwa" baseAuthorityYear="1943" class="Diplopoda" family="Xystodesmidae" genus="Phrurodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="gracilipes">
<emphasis id="DC423101E8CBC3B4C74FA59EB1C9B902" italics="true">X. gracilipes</emphasis>
</taxonomicName>
, and
<taxonomicName id="13DACE61868601C5E13498A2DA505C98" authorityName="Chamberlin &amp; Wang" authorityYear="1953" class="Diplopoda" family="Xystodesmidae" genus="Nikkonus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="nikkoensis">
<emphasis id="75BF84D049950AEFAB9DEAB4A3031306" italics="true">X. nikkoensis</emphasis>
</taxonomicName>
, but differs from them by the presence of a coxal apophysis and by the configuration of the prefemoral and tibiotarsal processes. Prefemoral process is strongly twisted, longer than acropodite, at approximately midpoint with a small tooth, whereas in all the three others it is straight, slender, and subequal to acropodite, without tooth. In
<taxonomicName id="D1B3CDE43313251CD6925D9DE5C7EB89" authorityName="Chamberlin &amp; Wang" authorityYear="1953" class="Diplopoda" family="Xystodesmidae" genus="Nikkonus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="nikkoensis">
<emphasis id="039CABAA5451F07E96C0343B81EF23B6" italics="true">X. nikkoensis</emphasis>
</taxonomicName>
, acropodite has ventrally a small triangular process which is missing in
<taxonomicName id="E01879D5C2E251BC50AE8C390A92710E" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="kumeensis" status="sp. nov.">
<emphasis id="DA321B395A2C2DF9F69DA33499DD4F37" italics="true">X. kumeensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="E2AA5056B15A06766AA8A6C02ED54313" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="SECID0ENKBG" type="description">
<paragraph id="7ACF67B1C36EEE2E1EFC795E12C402A6">
<heading id="DE4CA05F27AB4CBDD0EC3379F7CB6528" reason="title">Description.</heading>
</paragraph>
<paragraph id="EF929CB0FD0AA14FCBB20E424602A045">
Length
<quantity id="01370B565CDCA1FBA69831B3365DDDEA" metricMagnitude="-2" metricUnit="m" metricValue="3.1" metricValueMax="3.2" metricValueMin="3.0" unit="mm" value="31.0" valueMax="32.0" valueMin="30.0">3032 mm</quantity>
, midbody width with paraterga
<quantity id="688A80349A33BC1A5A0C585455825B42" metricMagnitude="-3" metricUnit="m" metricValue="5.85" metricValueMax="6.2" metricValueMin="5.5" unit="mm" value="5.85" valueMax="6.2" valueMin="5.5">5.56.2 mm</quantity>
, midbody metatergal length
<quantity id="046FC8002DF122D18AEF350D211ECEFC" metricMagnitude="-3" metricUnit="m" metricValue="1.6" metricValueMax="1.8" metricValueMin="1.4" unit="mm" value="1.6" valueMax="1.8" valueMin="1.4">1.41.8 mm</quantity>
, collum width
<quantity id="6D3863014AFDAA7292AC91E4AF35F5DB" metricMagnitude="-3" metricUnit="m" metricValue="4.55" metricValueMax="4.9" metricValueMin="4.2" unit="mm" value="4.55" valueMax="4.9" valueMin="4.2">4.24.9 mm</quantity>
, median collum length
<quantity id="319F464CE4B86E02221F253D8A68749D" metricMagnitude="-3" metricUnit="m" metricValue="2.15" metricValueMax="2.4" metricValueMin="1.9" unit="mm" value="2.15" valueMax="2.4" valueMin="1.9">1.92.4 mm</quantity>
. Body sides between segments 514 subparallel.
</paragraph>
<paragraph id="C237377260C2E358F5AAACCF60FEAD05">Head smooth, epicranial suture distinct. Antennal articles slightly clavate, first article sub-globose, articles 26 subequal in length, 2 and 3 are most clavate, 46 almost straight, article 7 small, as long as wide, slightly tapering to its tip.</paragraph>
<paragraph id="1A5DDBCED2D7C0CE5A97B91C170A197A">Pro- and metaterga completely smooth, transverse depression in metaterga hardly noticeable. Collum in dorsal view almost oval, edges rounded, with only very weak ridges, lateral corners directed ventrad, length along median line ~ 2 × as long as metatergum 2. Anterior edge of paranota 24 rounded, posterior edge rounded, lacking projection. Posteriolateral triangular projection starts on metaterga 5, from 6 onwards increasingly pointed, sublateral excavations on caudal margin of midbody segments strong, semicircular. Lateral sides of paranota arched, outline of segments clearly delimited. Pore formula normal, pores in lateral central position on narrow paranota.</paragraph>
<paragraph id="D78DEA81EA86DAC2CF8B7DEF70A5A97D">Segments 1519 gradually tapering, caudal corners becoming more pointed. Epiproct protruding, in lateral view slightly curved, thick, with 2 + 2 large setae on each lateral side on tubercles, projection with 2 + 2 setae apically (i. e., 6 pairs of setae altogether); paraprocts smooth, with two pair of setae on strong median ridges; hypoproct semicircular with two setae on small tubercles.</paragraph>
<paragraph id="943187AF3130EF615B9DE6802BAA3581">
Bases of midbody leg pairs well separated (by
<quantity id="E8C825476A0AE2380C9144B66D51BDC2" metricMagnitude="-3" metricUnit="m" metricValue="1.2" unit="mm" value="1.2">1.2 mm</quantity>
in male,
<quantity id="D9D164B7F6549CED5548175BADF2DE27" metricMagnitude="-3" metricUnit="m" metricValue="1.7" metricValueMax="1.8" metricValueMin="1.6" unit="mm" value="1.7" valueMax="1.8" valueMin="1.6">1.61.8 mm</quantity>
in females), sterna smooth and wide, pro- and metasterna well separated. Coxa short, just a little bit longer than wide; prefemur ~ 1.2 × longer, on postgonopodal legs with well-developed ventral spine; femur 2 × as long as coxa, incrassate; postfemur short again like coxa, tibia, and tarsus subequal in length, both ~ ½ as long as femur; claws normal on all legs.
</paragraph>
<paragraph id="029D6A0A1B3B5ABCD4917450F4678F25">
Colour of living specimens pale brown, almost yellowish, paranotal spots hardly visible (Fig.
<figureCitation id="DD0D3EB81EC875C97D4D347310334BB3" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 C</figureCitation>
). Preserved specimens show faded pattern typical for
<taxonomicName id="C8132240AE4072AECC1D59E07AF8AE11" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="D641BF99189097161339DF4762E60D52" italics="true">Xystodesmus</emphasis>
</taxonomicName>
: metaterga slightly darker, proterga paler, clypeus light brownish, underside of head, antennae, legs, epiproct, and whole ventral side yellowish white.
</paragraph>
<paragraph id="B6197EAD3D337C1C12933E15387714EE">
<emphasis id="9BA86EC3B48D93263195B7FECFE22A13" bold="true">Male sexual characters</emphasis>
. Second leg pair with tubulous coxal processes, sterna of segments 46 and further legs without any modifications. Gonopods (Fig.
<figureCitation id="F160E79E27F3C3056EA21718DE639111" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Xystodesmus kumeensis sp. nov., paratypes from Kume-jima Island, Okinawa Pref. A C right gonopod of male paratype, mesal, lateral, and ventromesal (B, telopodite only) views, respectively D 2 nd legpair of female paratype, anterior view E cyphopods, posterior view F left cyphopod, anteriolateral view. Abbreviations: a = acropodite, ca = coxal apophysis, l = lamella, ms = macroseta, op = operculum, pfp = prefemoral process, r = receptacle, t = tooth, v = valve. Scale bars: 0.5 mm (A C, F); 1 mm (D); 0.4 mm (E)." figureDoi="10.3897/zookeys.1231.141443.figure5" httpUri="https://binary.pensoft.net/fig/1278916">5 A C</figureCitation>
): Coxa stout, ~ 1.5 × longer than wide, coxal apophysis (
<emphasis id="89B16CCEBFD7CB79BE271FEB651CF952" italics="true">ca</emphasis>
) present in form of a small bump emerging from a circular field, next to a short, thick apophyseal macroseta (
<emphasis id="B5ED19CFE954505EA5D29822DAE1DBAC" italics="true">ms</emphasis>
). Prefemur stout, subparallel-sided, densely setose only on ventral side; prefemoral process (
<emphasis id="4E4589350B5F2BD7D1425AEAD3119498" italics="true">pfp</emphasis>
) slender, longer than acropodite, strongly curved into a sharp, pointed tip, at approximately midpoint with a widely based, triangular side tooth (Fig.
<figureCitation id="A26CC5C3E6ABA6A2D878DA42ADAD2306" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Xystodesmus kumeensis sp. nov., paratypes from Kume-jima Island, Okinawa Pref. A C right gonopod of male paratype, mesal, lateral, and ventromesal (B, telopodite only) views, respectively D 2 nd legpair of female paratype, anterior view E cyphopods, posterior view F left cyphopod, anteriolateral view. Abbreviations: a = acropodite, ca = coxal apophysis, l = lamella, ms = macroseta, op = operculum, pfp = prefemoral process, r = receptacle, t = tooth, v = valve. Scale bars: 0.5 mm (A C, F); 1 mm (D); 0.4 mm (E)." figureDoi="10.3897/zookeys.1231.141443.figure5" httpUri="https://binary.pensoft.net/fig/1278916">5 B</figureCitation>
,
<emphasis id="0ABAD7474E5565E6AAB479CE1A4ADA65" italics="true">t</emphasis>
); acropodite (
<emphasis id="594945832929FAAB3B46080FC4AB71AD" italics="true">a</emphasis>
) slim, more slender than prefemoral process, only ~ 2 / 3 of its length, almost straight, gradually tapering towards tip, slightly broadening before pointed tip into a leaf-like lamella (Fig.
<figureCitation id="B83657D0253B4FD649C2C3473B6AA5D9" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Xystodesmus kumeensis sp. nov., paratypes from Kume-jima Island, Okinawa Pref. A C right gonopod of male paratype, mesal, lateral, and ventromesal (B, telopodite only) views, respectively D 2 nd legpair of female paratype, anterior view E cyphopods, posterior view F left cyphopod, anteriolateral view. Abbreviations: a = acropodite, ca = coxal apophysis, l = lamella, ms = macroseta, op = operculum, pfp = prefemoral process, r = receptacle, t = tooth, v = valve. Scale bars: 0.5 mm (A C, F); 1 mm (D); 0.4 mm (E)." figureDoi="10.3897/zookeys.1231.141443.figure5" httpUri="https://binary.pensoft.net/fig/1278916">5 B</figureCitation>
,
<emphasis id="2313EC66D06284772D0CF9CCACF46263" italics="true">l</emphasis>
). Prostatic groove runs straight on the mesal side of acropodite.
</paragraph>
<caption id="9AE5056BD0DB6BD0CCE38AB7911EA250" ID-DOI="10.3897/zookeys.1231.141443.figure5" ID-arpha="4F9222D8-8A4B-55C0-B4F1-B371DB173A5E" httpUri="https://binary.pensoft.net/fig/1278916" startId="F5">
<paragraph id="04812A75ADCC6DF8859D2A3B15D1E743">
<label id="1B4166C7661ECEB596BF2BD7156295E3">Figure 5.</label>
</paragraph>
<paragraph id="20DFEA91F73EA4BC1BB478BDFCF6737D">
<taxonomicName id="1D47F59A9947148B34B4EAB23E3BCF07" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="kumeensis" status="sp. nov.">
<emphasis id="6FBDB01ED05DB3FCA3636FD4F22242BB" italics="true">Xystodesmus kumeensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="74DE2DC611A103A75A89C644801F39CD" rank="species">sp. nov.</taxonomicNameLabel>
, paratypes from Kume-jima Island, Okinawa Pref.
<emphasis id="91A018B23C111F857B15C138C9885B03" bold="true">A C</emphasis>
right gonopod of male paratype, mesal, lateral, and ventromesal (
<emphasis id="776581D62839F39824416788977DFB22" bold="true">B</emphasis>
, telopodite only) views, respectively
<emphasis id="EEF9F88F16AABCA0335915E2A1881551" bold="true">D</emphasis>
2
<superScript id="4F1DE28232BD6DDA91472CDBFEBABAA7">nd</superScript>
legpair of female paratype, anterior view
<emphasis id="3504267E2A959C3BDA576FF739FC07EA" bold="true">E</emphasis>
cyphopods, posterior view
<emphasis id="9745909D22B268D6BEAC48D25DD551AA" bold="true">F</emphasis>
left cyphopod, anteriolateral view. Abbreviations: a = acropodite, ca = coxal apophysis, l = lamella, ms = macroseta, op = operculum, pfp = prefemoral process, r = receptacle, t = tooth, v = valve. Scale bars: 0.5 mm (
<emphasis id="BF875A8F09C0886496D20E9E146E4AF7" bold="true">A C, F</emphasis>
); 1 mm (
<emphasis id="397FA59D11FEAF623DE60730CE20C70D" bold="true">D</emphasis>
); 0.4 mm (
<emphasis id="BA1B8E6E4D27D98D557521CB456CE92C" bold="true">E</emphasis>
).
</paragraph>
</caption>
<paragraph id="8C016BD65EF1D953DDE8E5C58F29DB09">
<emphasis id="AA75722DC9CCA54F7B592FFE1E6C7A8D" bold="true">Female sexual characters</emphasis>
. Coxae of 2
<superScript id="DC64B2FBE77386EA1413514C87E59EAC">nd</superScript>
leg pair with a pair of small, pointed, setose projections (Fig.
<figureCitation id="23D2B9439820FD59F8F91CA8054CC3B0" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Xystodesmus kumeensis sp. nov., paratypes from Kume-jima Island, Okinawa Pref. A C right gonopod of male paratype, mesal, lateral, and ventromesal (B, telopodite only) views, respectively D 2 nd legpair of female paratype, anterior view E cyphopods, posterior view F left cyphopod, anteriolateral view. Abbreviations: a = acropodite, ca = coxal apophysis, l = lamella, ms = macroseta, op = operculum, pfp = prefemoral process, r = receptacle, t = tooth, v = valve. Scale bars: 0.5 mm (A C, F); 1 mm (D); 0.4 mm (E)." figureDoi="10.3897/zookeys.1231.141443.figure5" httpUri="https://binary.pensoft.net/fig/1278916">5 D</figureCitation>
). Cyphopods (Fig.
<figureCitation id="6E78EE1E6769B2ADFF3A46F79777D8FC" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Xystodesmus kumeensis sp. nov., paratypes from Kume-jima Island, Okinawa Pref. A C right gonopod of male paratype, mesal, lateral, and ventromesal (B, telopodite only) views, respectively D 2 nd legpair of female paratype, anterior view E cyphopods, posterior view F left cyphopod, anteriolateral view. Abbreviations: a = acropodite, ca = coxal apophysis, l = lamella, ms = macroseta, op = operculum, pfp = prefemoral process, r = receptacle, t = tooth, v = valve. Scale bars: 0.5 mm (A C, F); 1 mm (D); 0.4 mm (E)." figureDoi="10.3897/zookeys.1231.141443.figure5" httpUri="https://binary.pensoft.net/fig/1278916">5 E, F</figureCitation>
) situated in deep, joint aperture behind leg pair 2, loosely encapsulated in vulval sacs, well separated from each other. Receptacula (
<emphasis id="66DCD9CD27D209A40EB435CD622BB080" italics="true">r</emphasis>
) both on anterior and posterior side, densely setose; anterior receptaculum low, broad, posterior one high, slender, higher than bursal valves; operculum (
<emphasis id="1B6368F363094776E98F3101B02939B6" italics="true">op</emphasis>
) small, rounded, situated laterad, in anterior view hardly visible; bursal valves (
<emphasis id="B1DF4A6E47C6926FA7D59FDCF6777C85" italics="true">v</emphasis>
) equal shaped, broad, rectangular, with short setae, without pointed apices.
</paragraph>
</subSubSection>
<subSubSection id="SECID0E4NBG" type="remarks">
<paragraph id="4C4512B933F63C64303F97765841AB1D">
<heading id="E4336620995110B493C00C785E3849C6" reason="title">Remarks.</heading>
</paragraph>
<paragraph id="CB252F9CAAFC24F9DB464832D84975C9">
The species was treated as an uncategorised population under
<taxonomicName id="BFAB7320E02312D7C790A87334304E5B" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="3ADEAA80B627148DC6C5C9AF8DC7AC81" italics="true">Xystodesmus</emphasis>
</taxonomicName>
in
<bibRefCitation id="9BDE6DB26EA69B49A76D58F1345393AD" DOI="10.1080/00222939600770831" author="Tanabe and Shinohara" firstAuthor="Tanabe" issue="10" journalOrPublisher="Journal of Natural History" pagination="1459-1494" refId="B40" refString="Tanabe T, Shinohara K (1996) Revision of the millipede genus Xystodesmus, with reference to the status of the tribe Xystodesmini (Diplopoda: Xystodesmidae). Journal of Natural History 30 (10): 14591494. https://doi.org/10.1080/00222939600770831" title="Revision of the millipede genus Xystodesmus, with reference to the status of the tribe Xystodesmini (Diplopoda: Xystodesmidae)." volume="30" year="1996">Tanabe and Shinohara (1996</bibRefCitation>
: Cluster I, figs 7, 11 Q, 16 H, 17 R). The individuals were found on Kume-jima Island in mixed
<taxonomicName id="46CA344A4B7F62196AD801EB0D2E5B6C" class="Pinopsida" family="Pinaceae" genus="Pinus" kingdom="Plantae" order="Pinales" phylum="Tracheophyta" rank="species" species="luchuensis">
<emphasis id="3E8BABFEBC54BC229097C77EE27A3DF9" italics="true">Pinus luchuensis</emphasis>
</taxonomicName>
and broad-leaved evergreen forest.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EZOBG" type="etymology">
<paragraph id="A29D4A5D3A191184D2DBBC8C373CB9EA">
<heading id="3198633FFAE0DB524199CE649A73BFFC" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="E2D3B499ECB1FFBD8DE910DA0DBD3F84">Named after the collecting locality, Kume-jima Island, west of Okinawa-jima Isl., where the species is probably endemic to. Adjective, masculine.</paragraph>
</subSubSection>
</treatment>
</document>

View file

@ -0,0 +1,388 @@
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<mods:title id="13E913FF3627C5C5E901075274E097C9">Review of the millipede genus Xystodesmus (Diplopoda, Polydesmida), with seven new species from the southwestern part of Japan</mods:title>
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<mods:namePart id="97E43A4E99C485DED6EE84461251106A">Korsós, Zoltán</mods:namePart>
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<mods:affiliation id="7578D522DB4D44F68D9F41B42A70EAA3">Department of Zoology, Hungarian Natural History Museum, Baross u. 13, H- 1088 Budapest, Hungary &amp; Department of Zoology, University of Veterinary Medicine Budapest, Rottenbiller u. 50, H- 1077 Budapest, Hungary &amp; Tropical Biosphere Research Center, University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0213, Japan</mods:affiliation>
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<mods:affiliation id="C7273B111213BBB4753C8AC16A882AB9">Fujukan, The Museum of the University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0129, Japan</mods:affiliation>
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<subSubSection id="31DE9CBF85BCDB806D1EF212127CB390" type="nomenclature">
<paragraph id="7E64C7FF009422BB90A2F21184B4A37B">
<taxonomicName id="E2D1BFAEA1637DB1C8DDB224FBA61F36" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="kumamotoensis" status="sp. nov.">
<emphasis id="13EEF81B5A0A7DD78A52C750F7795482" italics="true">Xystodesmus kumamotoensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="9E831B1E649C27C68C364E99EBAC6C7F" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
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<subSubSection id="16AA59BC6EDF5B5FE05E2F03AB6ADE23" type="description">
<paragraph id="E0A787CEF7DDEBEFCA6EE99EEB934B2C">
<figureCitation id="61C51DD11D2D6860891DF3C154102C76" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xystodesmus kumamotoensis sp. nov., male paratype from Yatsushiro, Kumamoto Pref. A C right gonopod, mesal, lateral, and acropodite (B) in ventral views, respectively. D 2 nd leg pair, posterior view. Abbreviations: a = acropodite, ms = macroseta, pfp = prefemoral process, t = tooth. Scale bars: 0.5 mm (B), 1 mm (D)." figureDoi="10.3897/zookeys.1231.141443.figure3" httpUri="https://binary.pensoft.net/fig/1278914">Figs 3 A D</figureCitation>
,
<figureCitation id="6ED4B7C21D526834E3CE9BF35925AF06" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Xystodesmus kumamotoensis sp. nov. A, B male paratype from Yatsushiro, Kumamoto Pref. A sterna of 4 th segment, anterior view B sterna of 5 th segment, anterior view C cyphopods of female paratype from Yatsushiro, Kumamoto Pref., posterior view. Abbreviations: op = operculum, r = receptacle, v = valve. Scale bars: 1 mm (A, B); 0.5 mm (C)." figureDoi="10.3897/zookeys.1231.141443.figure4" httpUri="https://binary.pensoft.net/fig/1278915">4 A C</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0E31AG" type="type material">
<paragraph id="D3C39EAAD894A28B9F5D7D6F4D2ED9D7">
<heading id="6FF4BF4DC27C8CC4A8F99E213B53EBB4" reason="title">Type material.</heading>
</paragraph>
<paragraph id="6523751F22E9B3169257E21AB9A92B2D">
<materialsCitation id="9591F16BC13EF2F7A9E57D672EEC76FC" collectingDate="2008-11-17" collectionCode="NSMT" collectorName="M. Nakano" country="Japan" county="Kyushu" elevation="230" latitude="32.50872" location="Toyo Town" longLatPrecision="1" longitude="130.76181" municipality="Yatsushiro City" specimenCount="1" stateProvince="Kumamoto" typeStatus="holotype">
<emphasis id="A1D5570729F067F806237FD8C058E2BF" bold="true" italics="true">
<typeStatus id="442A456EB48591FC378185CBF2C549AB" type="holotype">Holotype</typeStatus>
</emphasis>
: • male,
<collectingCountry id="C6B92D7F295CA381BF4E8A5FF062E0F4" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="DC715ECE81A19BB4C10EDA0564F5CCD7">Kyushu</collectingCounty>
,
<collectingRegion id="FD7C10A4C91AF5F56A4B7366EE94344C" country="Japan" name="Kumamoto">Kumamoto Pref.</collectingRegion>
,
<collectingMunicipality id="9D3FD98476F9FE27A205BA3196C1B5E6">Yatsushiro City</collectingMunicipality>
,
<location id="892BAF5E3C67C99DDF79AA0CD9F68E5D" LSID="urn:lsid:plazi:treatment:75460D4A08F55D2B804BFB2F72B52BE7:892BAF5E3C67C99DDF79AA0CD9F68E5D" country="Japan" county="Kyushu" latitude="32.50872" longLatPrecision="1" longitude="130.76181" municipality="Yatsushiro City" name="Toyo Town" stateProvince="Kumamoto">Toyo Town</location>
,
<location id="9EFFD1AE2F1D8C9B90675D22B1953E89" LSID="urn:lsid:plazi:treatment:75460D4A08F55D2B804BFB2F72B52BE7:9EFFD1AE2F1D8C9B90675D22B1953E89" country="Japan" county="Kyushu" latitude="32.50872" longLatPrecision="1" longitude="130.76181" municipality="Yatsushiro City" name="Kawamata" stateProvince="Kumamoto">Kawamata</location>
,
<location id="F73B3C0F5E25DE17194747EC0D63E754" LSID="urn:lsid:plazi:treatment:75460D4A08F55D2B804BFB2F72B52BE7:F73B3C0F5E25DE17194747EC0D63E754" country="Japan" county="Kyushu" latitude="32.50872" longLatPrecision="1" longitude="130.76181" municipality="Yatsushiro City" name="Kaerizaka" stateProvince="Kumamoto">Kaerizaka</location>
, along prefectural road No. 25,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EK2AG" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[130.761806,32.508722]}">
<geoCoordinate id="0D4528872FD0C3A55F9799494FE76F65" degrees="32" direction="north" minutes="30" orientation="latitude" precision="1" seconds="31.4" value="32.50872">32 ° 30 ' 31.4 &quot; N</geoCoordinate>
,
<geoCoordinate id="8259CF9D77F42F2570CBD2D45687C4C6" degrees="130" direction="east" minutes="45" orientation="longitude" precision="1" seconds="42.5" value="130.76181">130 ° 45 ' 42.5 &quot; E</geoCoordinate>
</named-content>
,
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<quantity id="4ACA3DFC88F88E2414F3EAA2AB8EAE3C" metricMagnitude="2" metricUnit="m" metricValue="2.3" unit="m" value="230.0">230 m</quantity>
a. s. l.
</elevation>
,
<date id="A5AEE6453F0177BE28EEC4C2AA568F38" value="2008-11-17">
<collectingDate id="4676208A2AC301DFC188561E9857A76E" value="2008-11-17">17 November 2008</collectingDate>
</date>
, leg.
<collectorName id="0A80E064B3345AA063F899E0058B95D3">M. Nakano</collectorName>
(
<named-content id="D12E42BAD6BE8F46E938EB79A1206997" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="23DE3A17D50681750C668BFECB813F99" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 537)
</materialsCitation>
.
<materialsCitation id="B9F6D91A39DABB6DD4DE785BE14BB306" collectingDate="2008-11-17" collectionCode="NSMT" collectorName="M. Nakano" country="Japan" county="Kyushu" elevation="230" latitude="32.50872" location="Toyo Town" longLatPrecision="1" longitude="130.76181" municipality="Yatsushiro City" specimenCount="3" specimenCount-female="2" specimenCount-male="1" stateProvince="Kumamoto" typeStatus="paratype">
<emphasis id="B44D2A6CF38E6CAAB6EF85D4DB083C0A" bold="true" italics="true">
<typeStatus id="8FBE9D9355EC471448A428D969BC2EBC" type="paratype">Paratypes</typeStatus>
</emphasis>
: •
<specimenCount id="5E66C8DE273497DEBA5512CB772BF4A7" count="1" type="male">1 male</specimenCount>
,
<specimenCount id="DA694237FCFE1B630092697A99840198" count="2" type="female">2 females</specimenCount>
, same locality and date (
<named-content id="FBF513387DDBDAA63F4CA181EABD0405" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="FB58A6236CE20CDB42CD1DAFE4146262" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 538)
</materialsCitation>
; •
<materialsCitation id="3E1593DBABFBEC06D5BE5BFCCA7AD79C" collectingDate="2009-09-18" collectionCode="RUMF" collectorName="T. Iihoshi" country="Japan" county="Kyushu" elevation="700" latitude="32.479416" location="Toyo Town" longLatPrecision="1" longitude="130.75311" municipality="Yatsushiro City" specimenCount="1" specimenCount-male="1" stateProvince="Kumamoto" typeStatus="paratype">
<specimenCount id="34F4DFFEBBA67CB5C109DA09C139E0C9" count="1" type="male">1 male</specimenCount>
,
<collectingCountry id="2F5CD6292EEF7C3066EAD325522F7962" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="D124CA1DA7283A3C364F5B3B4AC0B0ED">Kyushu</collectingCounty>
,
<collectingRegion id="3D5AA6C44E0C21BC7B99E048E42AF5CF" country="Japan" name="Kumamoto">Kumamoto Pref.</collectingRegion>
,
<collectingMunicipality id="9CE44FC783E70E32F7217BE44E8D8890">Yatsushiro City</collectingMunicipality>
,
<location id="D7E2C4D0429297D875382C11165E598F" LSID="urn:lsid:plazi:treatment:75460D4A08F55D2B804BFB2F72B52BE7:D7E2C4D0429297D875382C11165E598F" country="Japan" county="Kyushu" latitude="32.479416" longLatPrecision="1" longitude="130.75311" municipality="Yatsushiro City" name="Toyo Town" stateProvince="Kumamoto">Toyo Town</location>
,
<location id="3E83E14D92B26FC4F0BCBDF36E6851B2" LSID="urn:lsid:plazi:treatment:75460D4A08F55D2B804BFB2F72B52BE7:3E83E14D92B26FC4F0BCBDF36E6851B2" country="Japan" county="Kyushu" latitude="32.479416" longLatPrecision="1" longitude="130.75311" municipality="Yatsushiro City" name="Kawamata" stateProvince="Kumamoto">Kawamata</location>
,
<location id="62A738B9E0007F316FD5FB911395BA84" LSID="urn:lsid:plazi:treatment:75460D4A08F55D2B804BFB2F72B52BE7:62A738B9E0007F316FD5FB911395BA84" country="Japan" county="Kyushu" latitude="32.479416" longLatPrecision="1" longitude="130.75311" municipality="Yatsushiro City" name="Tsurukoba" stateProvince="Kumamoto">Tsurukoba</location>
, along prefectural road No. 25,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0E62AG" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[130.753111,32.479417]}">
<geoCoordinate id="DB2F51CE172812440A4CB8CEFBF26189" degrees="32" direction="north" minutes="28" orientation="latitude" precision="1" seconds="45.9" value="32.479416">32 ° 28 ' 45.9 &quot; N</geoCoordinate>
,
<geoCoordinate id="259B50532F5C0D09FD6B243CD94EB96D" degrees="130" direction="east" minutes="45" orientation="longitude" precision="1" seconds="11.2" value="130.75311">130 ° 45 ' 11.2 &quot; E</geoCoordinate>
</named-content>
,
<taxonomicName id="298FA5CF6BA28743A90662A747D980DF" class="Insecta" family="Erebidae" genus="Cryptomeria" kingdom="Animalia" order="Lepidoptera" phylum="Arthropoda" rank="species" species="japonica">
<emphasis id="F5F194F79AD502307714036442368BA4" italics="true">Cryptomeria japonica</emphasis>
</taxonomicName>
forest,
<elevation id="5A25CA093FA0FC27EF507416BA59D15F" metricMagnitude="2" metricUnit="m" metricValue="7.0" unit="m" value="700.0">
<quantity id="9DF49F020A4D6B7E8C78CD75FF24EC0C" metricMagnitude="2" metricUnit="m" metricValue="7.0" unit="m" value="700.0">700 m</quantity>
a. s. l.
</elevation>
,
<date id="C13911657AD071F2E24A6EA6BA02DC8B" value="2009-09-18">
<collectingDate id="ADDCEF272D8D84552B03C3CB3493EC3F" value="2009-09-18">18 September 2009</collectingDate>
</date>
, leg.
<collectorName id="D5B84C59914662BE76355380139CAC37">T. Iihoshi</collectorName>
(
<named-content id="4A4719920F73989FAB058BA7ACD172B5" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/university-ryukyus" xlink_title="Museum of the University of the Ryukyus, Okinawa">
<collectionCode id="0B17CF24B85A58B8C7DCD13738AE1BBE">RUMF</collectionCode>
</named-content>
- ZD- 00940)
</materialsCitation>
; •
<materialsCitation id="AA314E32DFED49706C89CE9C80ED95C8" collectingDate="2008-11-14" collectionCode="HNHM" collectorName="National Road No. &amp; T. Menda" country="Japan" county="Kyushu" latitude="33.116333" location="Kamitsue Town" longLatPrecision="1" longitude="130.96414" municipality="Hita City" specimenCount="2" specimenCount-male="2" stateProvince="Oita" typeStatus="paratype">
<specimenCount id="44BE73FD9014A15FFAA199127F0211F7" count="2" type="male">2 males</specimenCount>
,
<collectingCountry id="8992E3B40AF3A3494ACCF2E501108A7A" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="2353BA329C1607530C8D85471614C6F5">Kyushu</collectingCounty>
,
<collectingRegion id="10D6EB6AF64076410D5BDE623225BDD4" country="Japan" name="Oita">Oita Pref.</collectingRegion>
,
<collectingMunicipality id="59103DE8B704D6F2EAD728CE84A5CD51">Hita City</collectingMunicipality>
,
<location id="A99F820517AF25E280F01A1DA73C390E" LSID="urn:lsid:plazi:treatment:75460D4A08F55D2B804BFB2F72B52BE7:A99F820517AF25E280F01A1DA73C390E" country="Japan" county="Kyushu" latitude="33.116333" longLatPrecision="1" longitude="130.96414" municipality="Hita City" name="Kamitsue Town" stateProvince="Oita">Kamitsue Town</location>
,
<location id="21D39CF12CAF7FBFFB0E5EA67A8E2035" LSID="urn:lsid:plazi:treatment:75460D4A08F55D2B804BFB2F72B52BE7:21D39CF12CAF7FBFFB0E5EA67A8E2035" country="Japan" county="Kyushu" latitude="33.116333" longLatPrecision="1" longitude="130.96414" municipality="Hita City" name="Kawahara" stateProvince="Oita">Kawahara</location>
,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EX3AG" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[130.964139,33.116333]}">
<geoCoordinate id="6E744F8DD681D85FA005E1C44CB324EE" degrees="33" direction="north" minutes="06" orientation="latitude" precision="1" seconds="58.8" value="33.116333">33 ° 06 ' 58.8 &quot; N</geoCoordinate>
,
<geoCoordinate id="8580E375E4E8ED3F797268E57B7AB6A0" degrees="130" direction="east" minutes="57" orientation="longitude" precision="1" seconds="50.9" value="130.96414">130 ° 57 ' 50.9 &quot; E</geoCoordinate>
</named-content>
, along
<collectorName id="6AC8A8AF7C3044CC4BDF48D8C479FA29">National Road No.</collectorName>
387,
<taxonomicName id="F0BBB5D17D9F522963B112EFB8B479BF" class="Insecta" family="Erebidae" genus="Cryptomeria" kingdom="Animalia" order="Lepidoptera" phylum="Arthropoda" rank="species" species="japonica">
<emphasis id="E3C58E62B3C795B872B8FE265601EDFF" italics="true">Cryptomeria japonica</emphasis>
</taxonomicName>
forest,
<date id="B3D3FB4401DE6BB3CE06CD48CC750A70" value="2008-11-14">
<collectingDate id="2F5782868B7A1652153F5283FE531789" value="2008-11-14">14 November 2008</collectingDate>
</date>
, leg.
<collectorName id="78CA80D20578A27707BE2BC50CE9A867">T. Menda</collectorName>
(
<named-content id="252F0ACBE49545E1D32E0CF488A11468" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/hungarian-natural-history-museum-termeszettudomanyi-muzeum" xlink_title="Hungarian Natural History Museum, Budapest">
<collectionCode id="E1B84873586551A78B513F9F3516E403" country="Hungary" lsid="urn:lsid:biocol.org:col:34991" name="Hungarian Natural History Museum (Termeszettudomanyi Muzeum)">HNHM</collectionCode>
</named-content>
diplo- 04542,
<named-content id="8F108ED722901EB93E49CD46B2AEC58F" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/zoological-museum-university-copenhagen" xlink_title="Natural History Museum of Denmark, Copenhagen">NHMD</named-content>
1184732)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0ER4AG" type="diagnosis">
<paragraph id="8218360E87A98CA796A67DBF0E90D943">
<heading id="6CF070DC42C79C6D5E0CF78773C22355" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="419C4BF45480859AC4136A7AD7A307AD">
Relatively small
<taxonomicName id="B0B820267CF4C9F84C896FD019CBF9AD" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="8299B8DA639BEA8478706FA49DE82BBF" italics="true">Xystodesmus</emphasis>
</taxonomicName>
with colour pattern faded from preservation in ethanol but still typical for the genus. (Unfortunately, this is the only species of which we did not have live colour photo.) Gonopod completely lacks coxal apophysis as in the most similar species
<taxonomicName id="6A3BCDC9D13FD1FAED34246696EC335E" authority="(Takakuwa, 1942)" baseAuthorityName="Takakuwa" baseAuthorityYear="1942" class="Diplopoda" family="Xystodesmidae" genus="Rhysodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="shirozui">
<emphasis id="215F0B8000F50C8C102AD5285C2C9878" italics="true">X. shirozui</emphasis>
(Takakuwa, 1942)
</taxonomicName>
, but differs from it by the widely bifurcated acropodite and the laminate, tongue-like prefemoral process.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EJ5AG" type="description">
<paragraph id="D4A824CB6603FFEE9B94089E88B07F89">
<heading id="0605B264922931B6B39FE127ACC74DD6" reason="title">Description.</heading>
</paragraph>
<paragraph id="2F81F2BDBA1986E0CDFAA1345FA4402A">
Length
<quantity id="BB293E79DD99FDDF5927A0BC8C31662C" metricMagnitude="-2" metricUnit="m" metricValue="2.65" metricValueMax="2.7" metricValueMin="2.6" unit="mm" value="26.5" valueMax="27.0" valueMin="26.0">2627 mm</quantity>
, midbody width with paraterga 4.85.0 mm, midbody metatergal length
<quantity id="AAE54801D41B32A1E6EF05A5BBD488F3" metricMagnitude="-3" metricUnit="m" metricValue="1.25" metricValueMax="1.3" metricValueMin="1.2" unit="mm" value="1.25" valueMax="1.3" valueMin="1.2">1.21.3 mm</quantity>
, collum width
<quantity id="C10C0977DB4CF2DCF0B99C04CDEB6ED0" metricMagnitude="-3" metricUnit="m" metricValue="3.8499999999999996" metricValueMax="3.9" metricValueMin="3.8" unit="mm" value="3.8499999999999996" valueMax="3.9" valueMin="3.8">3.83.9 mm</quantity>
, median collum length
<quantity id="420375258EF394984EC8E193DC8E592D" metricMagnitude="-3" metricUnit="m" metricValue="1.9" unit="mm" value="1.9">1.9 mm</quantity>
. Body sides between segments 516 subparallel.
</paragraph>
<paragraph id="CCE4B0BA81EC029C28BA8D82E2547F79">Head smooth, with two frontal setae, epicranial suture distinct. Antennal articles straight, slender, first article short, 1.5 × longer than wide, articles 26 subequal in length, 7 small, with length equal to width.</paragraph>
<paragraph id="D48AF2AA65CF1DB4429F6D0833402C69">Proterga completely smooth, metaterga weakly wrinkled, each with a shallow transverse depression in the middle. Collum subtrapezoid-shape, arched, 1.5 × longer than metatergum 2, lateral edges directed posterioventrad, anteriolateral margin with well visible ridge. Posterior edge of paranota 25 rounded, triangular projection only starts from segment 6 onwards, posterior margin of each metaterga straight, sublateral excavations hardly detectable. Lateral sides of paranota straight, almost giving a parallel straight outline to the body. Pore formula normal, pores in lateral position on narrow paranota.</paragraph>
<paragraph id="4FBBB8C6A0FAED4846FB752DC0E3E794">Segments 1719 gradually tapering, posteriolateral corners becoming more pointed. Epiproct protruding, in lateral view slightly curved, with two pairs of setae on small side tubercles, and with two setae apically; paraprocts smooth, with two pair of setae on obvious median ridges; hypoproct subtriangular.</paragraph>
<paragraph id="D3E5F3861291652700FC96B148D16324">
Bases of midbody leg pairs clearly separated (by
<quantity id="BC0607912896E0A2689B907889736B17" metricMagnitude="-3" metricUnit="m" metricValue="1.1" unit="mm" value="1.1">1.1 mm</quantity>
), sterna smooth and wide, pro- and metasterna also clearly separated. Postgonopodal prefemora with well-developed ventral spine, increasingly larger from midbody legs onwards, femur 1.5 × longer than prefemur, slightly bent proximad, postfemur short and curved, tibia slender, tarsus 1.5 × longer than tibia, claws normal on all legs.
</paragraph>
<paragraph id="B8B372FD74A280BB727D93E7551E7472">
Colour of living specimens unknown. Preserved specimens show faded pattern typical for
<taxonomicName id="16D259FFD079F4AB537B90FB09DEBE6A" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="A63909BDAA7E2B34DD41634D799D791B" italics="true">Xystodesmus</emphasis>
</taxonomicName>
: metaterga slightly darker, proterga paler, paranota with pale orangish / yellowish spot. Clypeus light brownish, underside of head, antennae, legs, epiproct, and whole ventral side light pale white.
</paragraph>
<paragraph id="33974FE4812DC026307B489CE92C3474">
<emphasis id="BB0C1E090F6F3127F8679EEB46ABE63E" bold="true">Male sexual characters</emphasis>
. Second leg pair with tubulous coxal processes (Fig.
<figureCitation id="53C593C31D4059857E267BC01612AD0F" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xystodesmus kumamotoensis sp. nov., male paratype from Yatsushiro, Kumamoto Pref. A C right gonopod, mesal, lateral, and acropodite (B) in ventral views, respectively. D 2 nd leg pair, posterior view. Abbreviations: a = acropodite, ms = macroseta, pfp = prefemoral process, t = tooth. Scale bars: 0.5 mm (B), 1 mm (D)." figureDoi="10.3897/zookeys.1231.141443.figure3" httpUri="https://binary.pensoft.net/fig/1278914">3 D</figureCitation>
), densely setose. Sterna of segments 4 and 5 (Fig.
<figureCitation id="13965969E085CA563D9DA308C710FD87" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Xystodesmus kumamotoensis sp. nov. A, B male paratype from Yatsushiro, Kumamoto Pref. A sterna of 4 th segment, anterior view B sterna of 5 th segment, anterior view C cyphopods of female paratype from Yatsushiro, Kumamoto Pref., posterior view. Abbreviations: op = operculum, r = receptacle, v = valve. Scale bars: 1 mm (A, B); 0.5 mm (C)." figureDoi="10.3897/zookeys.1231.141443.figure4" httpUri="https://binary.pensoft.net/fig/1278915">4 A, B</figureCitation>
) with a pair of protruding processes, on segment 4 longer, pointed, without setae, on segment 5 lower, widely separated from each other, without setae. Other legs and sterna without modifications. Gonopods (Fig.
<figureCitation id="D115D702827C549DA300CC9EB695588F" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xystodesmus kumamotoensis sp. nov., male paratype from Yatsushiro, Kumamoto Pref. A C right gonopod, mesal, lateral, and acropodite (B) in ventral views, respectively. D 2 nd leg pair, posterior view. Abbreviations: a = acropodite, ms = macroseta, pfp = prefemoral process, t = tooth. Scale bars: 0.5 mm (B), 1 mm (D)." figureDoi="10.3897/zookeys.1231.141443.figure3" httpUri="https://binary.pensoft.net/fig/1278914">3 A C</figureCitation>
): Coxa short and thick, almost as wide as long, no trace of apophyseal process, only a strong single seta (
<emphasis id="087AA1D0217568AD71DAA83B7C086590" italics="true">ms</emphasis>
) on the anteriomesal side. Prefemur stout, nearly straight, densely setose, prefemoral process (
<emphasis id="1E737E358D5DE0A0F878CDDCFFEDFB90" italics="true">pfp</emphasis>
) broad and flat, lamellate, ~ 2 × as song as wide, subrectangular from ventral view, distal margin slightly serrated (Fig.
<figureCitation id="1D6C2A424F39DA355D864B2DB137A19C" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xystodesmus kumamotoensis sp. nov., male paratype from Yatsushiro, Kumamoto Pref. A C right gonopod, mesal, lateral, and acropodite (B) in ventral views, respectively. D 2 nd leg pair, posterior view. Abbreviations: a = acropodite, ms = macroseta, pfp = prefemoral process, t = tooth. Scale bars: 0.5 mm (B), 1 mm (D)." figureDoi="10.3897/zookeys.1231.141443.figure3" httpUri="https://binary.pensoft.net/fig/1278914">3 B</figureCitation>
). Acropodite (
<emphasis id="ADEBCB4D88C8060CBCEF5983B0304E5B" italics="true">a</emphasis>
) delimitated from prefemur by a weak constriction, its length only a little longer than prefemoral process, and soon divided into two branches subequal in length, directed anteriorly and gradually tapering to their pointed tips. Prostatic groove runs to the tip of the branch situated laterad, which is also provided with a small tooth (Fig.
<figureCitation id="E325FB63A1996D9AD47AE6B015182FA9" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Xystodesmus kumamotoensis sp. nov., male paratype from Yatsushiro, Kumamoto Pref. A C right gonopod, mesal, lateral, and acropodite (B) in ventral views, respectively. D 2 nd leg pair, posterior view. Abbreviations: a = acropodite, ms = macroseta, pfp = prefemoral process, t = tooth. Scale bars: 0.5 mm (B), 1 mm (D)." figureDoi="10.3897/zookeys.1231.141443.figure3" httpUri="https://binary.pensoft.net/fig/1278914">3 B</figureCitation>
,
<emphasis id="362501EE9561FBF6FF29301C2438DEDE" italics="true">t</emphasis>
) on it lateral side, best visible in situ from direct ventral view.
</paragraph>
<caption id="70507553962422D152EDA759BBEEA35D" ID-DOI="10.3897/zookeys.1231.141443.figure3" ID-arpha="B528CC0B-B01E-589C-BEAF-47F6B9A07453" httpUri="https://binary.pensoft.net/fig/1278914" startId="F3">
<paragraph id="05D697E5085D5657110B82219FFDDB30">
<label id="9FBE83C55C7AB41EBB7D39FBEEC88B14">Figure 3.</label>
</paragraph>
<paragraph id="9B03A27BA11836BC2FE248E1C676ECAD">
<taxonomicName id="75448E7CFA9D4F2AF6E001BE4648FD14" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="kumamotoensis" status="sp. nov.">
<emphasis id="DAD2E4A03EB5B1D6D20F749A48C1762E" italics="true">Xystodesmus kumamotoensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="DD10A05936811F7C53C3ECB0D2071295" rank="species">sp. nov.</taxonomicNameLabel>
, male paratype from Yatsushiro, Kumamoto Pref.
<emphasis id="B61E35CBD332539293D95E98132AA9D6" bold="true">A C</emphasis>
right gonopod, mesal, lateral, and acropodite (
<emphasis id="4994653375FB03B79E3534E4A2896218" bold="true">B</emphasis>
) in ventral views, respectively.
<emphasis id="8CB770A3F943B12D97A8E1CB6D1D9951" bold="true">D</emphasis>
2
<superScript id="48175C161A62DE3381121F8FF9FB0F4D">nd</superScript>
leg pair, posterior view. Abbreviations: a = acropodite, ms = macroseta, pfp = prefemoral process, t = tooth. Scale bars: 0.5 mm (
<emphasis id="FA63A01674DD0AC4BB27CACBF4D2B536" bold="true">B</emphasis>
), 1 mm (
<emphasis id="63AACA70D25FC550F2BF767F890E53F2" bold="true">D</emphasis>
).
</paragraph>
</caption>
<caption id="D68038AE37D491C45929F25716FE2E34" ID-DOI="10.3897/zookeys.1231.141443.figure4" ID-arpha="7D95848B-EBB7-5816-A7E6-A12E2006BA6D" httpUri="https://binary.pensoft.net/fig/1278915" startId="F4">
<paragraph id="FB20495B80A3E1C103BB8A0F8AF4E42A">
<label id="EC3BC23260A0A1C2231A1956666A1ABB">Figure 4.</label>
</paragraph>
<paragraph id="6A935D3C9C06145A2B0FF04CDD2B92E3">
<taxonomicName id="309C44830BF24FA1A201C8796F48A36B" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="kumamotoensis" status="sp. nov.">
<emphasis id="DCDC624A3652C6A0C04B4F096E3A1C91" italics="true">Xystodesmus kumamotoensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8424EE2CA6C8D89EC411A7E956914A97" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="6C70C6A69C062D2166FA6F0DAD06E0CB" bold="true">A, B</emphasis>
male paratype from Yatsushiro, Kumamoto Pref.
<emphasis id="9314F8AE11185019E8B11107FE7176F1" bold="true">A</emphasis>
sterna of 4
<superScript id="E4A03E90D8ED9583D3FFA2029D657446">th</superScript>
segment, anterior view
<emphasis id="FE59E5971BB50158652629F2A6E3E3F9" bold="true">B</emphasis>
sterna of 5
<superScript id="D18B98D75CD42C6B95FA34C6501B1DD6">th</superScript>
segment, anterior view
<emphasis id="DCB1821E9ADE211FDF7634D1DAEC15AC" bold="true">C</emphasis>
cyphopods of female paratype from Yatsushiro, Kumamoto Pref., posterior view. Abbreviations: op = operculum, r = receptacle, v = valve. Scale bars: 1 mm (
<emphasis id="A2C426ADCEEB389632846FB73C716322" bold="true">A, B</emphasis>
); 0.5 mm (
<emphasis id="02E11B37AD6B774DD7BA90DC9FE2496F" bold="true">C</emphasis>
).
</paragraph>
</caption>
<paragraph id="B042F6BA5CC5E40B42780415B0A475E4">
<emphasis id="53EBC44A897CCCF4C789D971B661442E" bold="true">Female sexual characters</emphasis>
. Cyphopods (Fig.
<figureCitation id="2014167AC4756C93E07E8F46FD340918" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Xystodesmus kumamotoensis sp. nov. A, B male paratype from Yatsushiro, Kumamoto Pref. A sterna of 4 th segment, anterior view B sterna of 5 th segment, anterior view C cyphopods of female paratype from Yatsushiro, Kumamoto Pref., posterior view. Abbreviations: op = operculum, r = receptacle, v = valve. Scale bars: 1 mm (A, B); 0.5 mm (C)." figureDoi="10.3897/zookeys.1231.141443.figure4" httpUri="https://binary.pensoft.net/fig/1278915">4 C</figureCitation>
) situated in deep, joint excavation behind leg pair 2, loosely encapsulated in vulval sacs, well separated from each other. Receptacles (
<emphasis id="8F237759511FD6A791E9ED1EFC8A50B6" italics="true">r</emphasis>
) both on anterior and posterior side, densely setose; operculum (
<emphasis id="8857CCDE8A12F30A42106307A3CFFE54" italics="true">op</emphasis>
) situated laterally, small, rounded, with numerous short setae; valves (
<emphasis id="AF8101725FAD89A10CDE47B509526EB3" italics="true">v</emphasis>
) hairless, mesally with conspicuous pointed apices, closely parallel to each other.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EVCBG" type="remarks">
<paragraph id="C48796BC8341D1FA809C7FD56AF3BBAF">
<heading id="700879E033E710BF4393EC6FAE944162" reason="title">Remarks.</heading>
</paragraph>
<paragraph id="53798C145A71E056C6D2C8946A24751F">
In the
<typeStatus id="F7C64D1C2E37D6235BE0E3705DEAB320">type</typeStatus>
locality and Toyo Town,
<quantity id="C5D339F24D5836C09C966C46499B809D" metricMagnitude="2" metricUnit="m" metricValue="7.0" unit="m" value="700.0">700 m</quantity>
a. s. l.,
<taxonomicName id="53B09EB3F1279FD3A0A0B57D0B52BC1C" authority="(Takakuwa, 1941)" baseAuthorityName="Takakuwa" baseAuthorityYear="1941" class="Diplopoda" family="Xystodesmidae" genus="Riukiaria" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="subSpecies" species="semicircularis" subSpecies="semicircularis">
<emphasis id="8F3A6955EC262DA2DEE1368A1D3B90CE" italics="true">Riukiaria semicircularis semicircularis</emphasis>
(Takakuwa, 1941)
</taxonomicName>
and
<taxonomicName id="28CF5F506432518A0C483D3067664D64" authority="(Haga, 1968)" baseAuthorityName="Haga" baseAuthorityYear="1968" class="Diplopoda" family="Xystodesmidae" genus="Riukiaria" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="cornuta">
<emphasis id="4F1AC14F0843D7426E5E6AFE03A811CD" italics="true">R. cornuta</emphasis>
(
<bibRefCitation id="91C17B2CE79CBA65B05CE4CA27502741" author="Haga A" refId="B6" refString="Haga A (1968) [Japanese Millipedes]. Private publication, 11 pp. [in Japanese]" year="1968">Haga, 1968</bibRefCitation>
)
</taxonomicName>
were also found. In Hita City,
<taxonomicName id="5962D81C33875CFCA9783427FA79C217" baseAuthorityName="Takakuwa" baseAuthorityYear="1941" class="Diplopoda" family="Xystodesmidae" genus="Riukiaria" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="subSpecies" species="semicircularis" subSpecies="semicircularis">
<emphasis id="0AD1F1E839477378533B04F7516342B4" italics="true">R. semicircularis semicircularis</emphasis>
</taxonomicName>
and
<taxonomicName id="50D0C3E811D2E8F79EB3417D81B5F715" authority="(Attems, 1899)" baseAuthorityName="Attems" baseAuthorityYear="1899" class="Diplopoda" family="Xystodesmidae" genus="Parafontaria" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="tonominea">
<emphasis id="9EBBF8DC11A17EBF8B6718D4E87F3BFD" italics="true">Parafontaria tonominea</emphasis>
(Attems, 1899)
</taxonomicName>
were also found together with the new species.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EPEBG" type="etymology">
<paragraph id="626107C4BAB28EC78273490A9181A58A">
<heading id="586F43888E6903C03BFF22FE440F2EE1" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="B404275F22A3CA153E156091F915044D">
Named after the locality,
<collectingRegion id="7DF57082277E8006A0332DFD1960AA66" country="Japan" name="Kumamoto">Kumamoto Pref.</collectingRegion>
, Kyushu,
<collectingCountry id="0B21673B9C1F30FAFD6ED017B84177CD" name="Japan">Japan</collectingCountry>
. Adjective, masculine.
</paragraph>
</subSubSection>
</treatment>
</document>

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@ -0,0 +1,255 @@
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<mods:title id="6768F2E0B2825923A2270C7899B9F33F">Review of the millipede genus Xystodesmus (Diplopoda, Polydesmida), with seven new species from the southwestern part of Japan</mods:title>
</mods:titleInfo>
<mods:name id="8F8C9545F3C8D75B5EDBD5573B4F0B23" type="personal">
<mods:role id="4F71E01B2F764395A13C3C0D99C7E075">
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<mods:namePart id="1E9FC6F2660C2E345ECFF77CD3A0855B">Korsós, Zoltán</mods:namePart>
<mods:nameIdentifier id="FBDDC6AF7FA623C2D06E14944E793B91" type="ORCID">0000-0003-1545-5086</mods:nameIdentifier>
<mods:affiliation id="EA0383654E341937BA44937952E58F4A">Department of Zoology, Hungarian Natural History Museum, Baross u. 13, H- 1088 Budapest, Hungary &amp; Department of Zoology, University of Veterinary Medicine Budapest, Rottenbiller u. 50, H- 1077 Budapest, Hungary &amp; Tropical Biosphere Research Center, University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0213, Japan</mods:affiliation>
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</mods:role>
<mods:namePart id="F3E9F4F460EA61E19BF7E776093A4D29">Nakamura, Yasuyuki</mods:namePart>
<mods:affiliation id="0E8849F30F4E39B30BD9F41A27EE96FC">Fujukan, The Museum of the University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0129, Japan</mods:affiliation>
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<mods:typeOfResource id="FE95F8C1298E174018D8319D3D5066FC">text</mods:typeOfResource>
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<mods:title id="86823615294B1EFC39888EFBB99497AE">ZooKeys</mods:title>
</mods:titleInfo>
<mods:part id="EA27C924445D7576CA491E1538B06F5B">
<mods:date id="2BD76BF1258BDDBE85AF973A34257A13">2025</mods:date>
<mods:detail id="B1D6F6B1EFFA032579B2534CE3DAD26A" type="pubDate">
<mods:number id="0B471AFE0899168064DAC5E8A1C65808">2025-03-12</mods:number>
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<mods:number id="ED542FAAE81F0AF0786FB358216F3396">1231</mods:number>
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<mods:classification id="5A825D9DA676B6D137BFC170A8160EEA">journal article</mods:classification>
<mods:identifier id="23204888E8CEFA69525205E0390618E7" type="DOI">10.3897/zookeys.1231.141443</mods:identifier>
<mods:identifier id="F7312587EB29FCCC6703ABAD3CD3491C" type="ZooBank">94B32AD5-4D03-4ECA-8B73-DB157E8AAF3E</mods:identifier>
</mods:mods>
<treatment id="8760936EFEE45BE0B394378280168056" ID-arpha="8760936E-FEE4-5BE0-B394-378280168056" ID-zoobank="https://zoobank.org/3BE0CB3D-3C8A-41B4-9C7F-871361BF3C2B" LSID="urn:lsid:plazi:treatment:8760936EFEE45BE0B394378280168056" LSID-ZBK="urn:lsid:zoobank.org:act:3BE0CB3D-3C8A-41B4-9C7F-871361BF3C2B" httpUri="http://treatment.plazi.org/id/8760936EFEE45BE0B394378280168056">
<subSubSection id="A4F2D13984CC768563F4936CFBBB4F7A" type="nomenclature">
<paragraph id="6E4A24FA413C93177B0C2E196513D6A1">
<taxonomicName id="B4F46A2FC52B83272CFD22091D5260C6" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="parvus" status="sp. nov.">
<emphasis id="6E861E18A5800A699D0CDDA37E928B84" italics="true">Xystodesmus parvus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="FC62F8F712FEE9457AE2E96C976CC6B8" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="D31821B5585D0A12AD1D308EBE9DAF54" type="description">
<paragraph id="67F19805745E6D94A6C92999EEF58C4E">
<figureCitation id="DB12621421973E110B5A5777D81E9B6F" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Xystodesmus parvus sp. nov., paratypes from Okinoerabu-jima Island, Kagoshima Pref. A C right gonopod of male paratype, lateral, mesal, and ventral (B, telopodite only) views, respectively D 2 nd leg pair (from femur omitted) of male paratype, anterior view E left cyphopod of female paratype (receptaculum omitted), anterior view. Abbreviations: a = acropodite, ms = macroseta, op = operculum, pfp = prefemoral process, t = tip of acropodite, v = valve. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure6" httpUri="https://binary.pensoft.net/fig/1278917">Figs 6 A E</figureCitation>
,
<figureCitation id="1C0D67B30630F4E981ED61AA67419A16" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 D</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EPQBG" type="type material">
<paragraph id="01F55FD42B3B28B2D66C65D6E0BA9DC8">
<heading id="A86CC7A90CBA5375F358DA49B7D72812" reason="title">Type material.</heading>
</paragraph>
<paragraph id="DA586918EB3AC2AFB0CF1B58EDE480C6">
<materialsCitation id="06E844995898C804D08143E562AB5B6F" collectingDate="2010-06-13" collectionCode="NSMT" collectorName="Z. Korsos &amp; Y. Nakamura" country="Japan" county="Central Ryukyus" elevation="240" latitude="27.365667" location="Okinoerabu-jima Isl." longLatPrecision="1" longitude="128.56667" municipality="Amami Group" specimenCount="1" stateProvince="Kagoshima" typeStatus="holotype">
<emphasis id="1B9D61706AC816AA68A0D577C82BF73A" bold="true" italics="true">
<typeStatus id="B05FFB1FFFF4EE2BA734A092DB3F1129" type="holotype">Holotype</typeStatus>
</emphasis>
: • male,
<collectingCountry id="9712C07FBF72A0B8976758656A169CE7" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="B6ADA72C698D9FF39AC15DCD78B82000">Central Ryukyus</collectingCounty>
,
<collectingRegion id="8C7AD9DE7AE18336ED43A4E5C70FD613" country="Japan" name="Kagoshima">Kagoshima Pref.</collectingRegion>
,
<collectingMunicipality id="17C4DF3AD4D75530E4635232F9CC4805">Amami Group</collectingMunicipality>
,
<location id="E6FA47C34A93C0883A498D32AD776213" LSID="urn:lsid:plazi:treatment:8760936EFEE45BE0B394378280168056:E6FA47C34A93C0883A498D32AD776213" country="Japan" county="Central Ryukyus" latitude="27.365667" longLatPrecision="1" longitude="128.56667" municipality="Amami Group" name="Okinoerabu-jima Isl." stateProvince="Kagoshima">Okinoerabu-jima Isl.</location>
,
<location id="2627D72BD6FCDC1943FBD2DE183F86B5" LSID="urn:lsid:plazi:treatment:8760936EFEE45BE0B394378280168056:2627D72BD6FCDC1943FBD2DE183F86B5" country="Japan" county="Central Ryukyus" latitude="27.365667" longLatPrecision="1" longitude="128.56667" municipality="Amami Group" name="Oyama" stateProvince="Kagoshima">Oyama</location>
botanical garden,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0E4QBG" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[128.566667,27.365667]}">
<geoCoordinate id="B0121BC6BCE723B00980D3FDB8EBE8AA" degrees="27" direction="north" minutes="21" orientation="latitude" precision="1" seconds="56.4" value="27.365667">27 ° 21 ' 56.4 &quot; N</geoCoordinate>
,
<geoCoordinate id="718BEA90A739DDA7BF389FD82E87E25B" degrees="128" direction="east" minutes="34" orientation="longitude" precision="1" seconds="00.0" value="128.56667">128 ° 34 ' 00.0 &quot; E</geoCoordinate>
</named-content>
,
<elevation id="56A2221219BF51045D0C53D6200C82F6" metricMagnitude="2" metricUnit="m" metricValue="2.4" unit="m" value="240.0">
<quantity id="263538E7A1563C2293A887EE16254335" metricMagnitude="2" metricUnit="m" metricValue="2.4" unit="m" value="240.0">240 m</quantity>
a. s. l.
</elevation>
,
<date id="E776FD89188DBB193F653F63AE51D4C4" value="2010-06-13">
<collectingDate id="7CC63CB7D4F7FF024DDD0F841F93688D" value="2010-06-13">13 June 2010</collectingDate>
</date>
, leg.
<collectorName id="2697CFB8509A842FF0D4132112627898">Z. Korsós</collectorName>
and
<collectorName id="A5D8F3CAEFC00B5B2C5894E3E88ED762">Y. Nakamura</collectorName>
(
<named-content id="EB2164F6FAFA0A6EDAE5699360767D7B" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="41D7B75ADCD6F131BCEF9C21B9EEA7CF" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 542)
</materialsCitation>
.
<materialsCitation id="635B661E6F6EB6C39698C35B34B38BD4" collectingDate="2010-06-13" collectionCode="NSMT, RUMF" collectorName="Z. Korsos &amp; Y. Nakamura" country="Japan" county="Central Ryukyus" elevation="240" latitude="27.365667" location="Okinoerabu-jima Isl." longLatPrecision="1" longitude="128.56667" municipality="Amami Group" specimenCount="8" specimenCount-female="7" specimenCount-male="1" stateProvince="Kagoshima" typeStatus="paratype">
<emphasis id="3F379F79162CE55B6751EEAD229727F5" bold="true" italics="true">
<typeStatus id="A92FD16103E76497C36E62E47E1BC8B9" type="paratype">Paratypes</typeStatus>
</emphasis>
: •
<specimenCount id="60D280B9384CD4FBBCBC801F7AA3120C" count="4" type="female">4 females</specimenCount>
(
<named-content id="D5E8AF24AE0083A0361DF14E43B20516" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="8D426B200403AAB77DC002F50E4317B4" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 543),
<specimenCount id="86B0F20130010FEAB549AE1D22DD00A5" count="1" type="male">1 male</specimenCount>
(
<named-content id="4136D2A524D252DA59F4737BDE2D03E4" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/university-ryukyus" xlink_title="Museum of the University of the Ryukyus, Okinawa">
<collectionCode id="878CF9CC8BAC40D8CDF2E6B86669BBBA">RUMF</collectionCode>
</named-content>
- ZD- 00941),
<specimenCount id="01F069685D275971531ECA8B2C57D323" count="3" type="female">3 females</specimenCount>
(
<named-content id="A490B1A9296877FDBA7B8C9A2EAB6CBA" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/university-ryukyus" xlink_title="Museum of the University of the Ryukyus, Okinawa">
<collectionCode id="BF1AFB049DCA822393A4D8AD193BC388">RUMF</collectionCode>
</named-content>
- ZD- 00942), same locality and date as
<typeStatus id="1326F13EF754FC0782206B47AE8C3665" type="holotype">holotype</typeStatus>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EZRBG" type="diagnosis">
<paragraph id="20A83BFEE61C828760087F7A4B9341D4">
<heading id="210D1C53980A2FEC224BD1F6A3F9CECE" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="DBB47C3B619C251B79C6624EA3098819">
Differs from its congeners by the small body size (length under
<quantity id="B7E035CCA1EBD7F2869E17365794754C" metricMagnitude="-2" metricUnit="m" metricValue="2.3" unit="mm" value="23.0">23 mm</quantity>
), and by the male gonopods lacking coxal apophysis and having two simple branches (prefemoral process and acropodite) subequal in length and bent parallel together. The closest species is the similarly small
<taxonomicName id="EE8B69DFABE8AEE9C05F77A1EF861712" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="sesokoensis" status="sp. nov.">
<emphasis id="25B1AC046AF7AFAAD70C5EE0DB72164C" italics="true">X. sesokoensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="66BDF8F95DC52BD00BF50960ED737092" rank="species">sp. nov.</taxonomicNameLabel>
, but its prefemoral process has two small branches at tip, and its acropodite is longer, the end is thicker with a small tooth.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EKSBG" type="description">
<paragraph id="8B0BDAAAB9F1970B271308C69849069E">
<heading id="FC668809EA5586284719C01232248807" reason="title">Description.</heading>
</paragraph>
<paragraph id="27651A76663644CEB0286A4E576DFD4B">
Length
<quantity id="3AB1541CB43CC0B3858A2F9D4982CAC6" metricMagnitude="-2" metricUnit="m" metricValue="2.05" metricValueMax="2.2" metricValueMin="1.9" unit="mm" value="20.5" valueMax="22.0" valueMin="19.0">1922 mm</quantity>
, midbody width with paraterga
<quantity id="854553DE64897E8A4A3A8A288434A6ED" metricMagnitude="-3" metricUnit="m" metricValue="4.15" metricValueMax="4.2" metricValueMin="4.1" unit="mm" value="4.15" valueMax="4.2" valueMin="4.1">4.14.2 mm</quantity>
, midbody metatergal length
<quantity id="6EE1E4DCD42C33F8DDDDAEE8E791BAEA" metricMagnitude="-3" metricUnit="m" metricValue="1.0" metricValueMax="1.1" metricValueMin="0.9" unit="mm" value="1.0" valueMax="1.1" valueMin="0.9">0.91.1 mm</quantity>
, collum width
<quantity id="8AAE9A46F51E1CB70EC85994936760B9" metricMagnitude="-3" metricUnit="m" metricValue="3.15" metricValueMax="3.2" metricValueMin="3.1" unit="mm" value="3.15" valueMax="3.2" valueMin="3.1">3.13.2 mm</quantity>
, median collum length
<quantity id="28F9D3BDD4E8E1DE57CCBEDB5287A519" metricMagnitude="-3" metricUnit="m" metricValue="1.35" metricValueMax="1.4" metricValueMin="1.3" unit="mm" value="1.35" valueMax="1.4" valueMin="1.3">1.31.4 mm</quantity>
. Body sides between segments 515 subparallel.
</paragraph>
<paragraph id="7E87E768FAF4445DAED6D307B15C4998">Head smooth, with two frontal setae, epicranial suture distinct. Antennal articles slightly clavate, first article sub-globose, articles 26 subequal in length, article 7 small, as long as wide.</paragraph>
<paragraph id="50D6D3A9F180F4855485C6A344DDF800">Collum in dorsal view oval, edges rounded, with well-developed anterior ridge, laterally even stronger like paranotum, corners rounded. Pro- and metaterga completely smooth, transverse depression in metaterga short but noticeable. Anterio-lateral edge of paranota rounded, posterio-lateral corner of segments 2 and 3 rounded, lacking projection; on 4 with small projection, from 5 increasingly pointed, triangular, sublateral excavations on posterior margin becoming stronger. Lateral sides of paranota straight, outline of segments clearly delimited. Pore formula normal, pores in lateral central position on narrow paranota.</paragraph>
<paragraph id="B1199BDFB23BB98C5CA2B1E785B4C689">Segments 1619 gradually tapering, posterior corners becoming obtuse, sublateral excavations disappearing. Epiproct in dorsal view triangular, in lateral view slightly curved ventrad, with 4 + 4 large setae on tubercles on lateral sides, projection with 2 + 2 apical setae; paraprocts smooth, with two pairs of setae, upper ones on margin, lower ones on side; hypoproct semicircular with two setae on small tubercles.</paragraph>
<paragraph id="80C637858B15C2ABCDE298D7BEA3DDE1">
Bases of midbody leg pairs well separated (by
<quantity id="C188FEE6A7950FE1681EF0D7A5697889" metricMagnitude="-3" metricUnit="m" metricValue="1.2" unit="mm" value="1.2">1.2 mm</quantity>
in male,
<quantity id="F94EC4089439A4633B022D2187605C29" metricMagnitude="-3" metricUnit="m" metricValue="1.7" metricValueMax="1.8" metricValueMin="1.6" unit="mm" value="1.7" valueMax="1.8" valueMin="1.6">1.61.8 mm</quantity>
in females), sterna smooth and wide, pro- and metasterna fused. Coxa short, rectangular; prefemur ~ 2 × as long as wide, with well-developed ventral spine; femur 1.5 × longer than prefemur, incrassate; postfemur small, sub-globose, tibia slender, approximately same length as postfemur, tarsus 2 × as long as tibia, slender, tapering towards small, curved claw.
</paragraph>
<paragraph id="E1BF7BEF4D272F26503344DE8714041B">
Colour of living specimens (Fig.
<figureCitation id="3DC115EB66094A0015A2602D2A44967F" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 D</figureCitation>
) pale brown, collum, segments 2, 18, 19, and epiproct darker, all metaterga with dark posterior margin. Underside of head, antennae, legs, and whole ventral side pale white. Sides of collum and all paranota (except segment 19) with faint, pinkish-orangish spots.
</paragraph>
<paragraph id="93D6C75D51250A365DB2424B7E13005A">
<emphasis id="015AA415921F04B68DD4483B4B2836AC" bold="true">Male sexual characters</emphasis>
. Second leg pair with small coxal processes provided with three or four strong setae (Fig.
<figureCitation id="974BE58F982193A262B2628178A6A800" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Xystodesmus parvus sp. nov., paratypes from Okinoerabu-jima Island, Kagoshima Pref. A C right gonopod of male paratype, lateral, mesal, and ventral (B, telopodite only) views, respectively D 2 nd leg pair (from femur omitted) of male paratype, anterior view E left cyphopod of female paratype (receptaculum omitted), anterior view. Abbreviations: a = acropodite, ms = macroseta, op = operculum, pfp = prefemoral process, t = tip of acropodite, v = valve. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure6" httpUri="https://binary.pensoft.net/fig/1278917">6 D</figureCitation>
), sterna of segments 46 and further legs without any modifications. Gonopods (Fig.
<figureCitation id="8B24A6818783B1BB48D319CC8CD62DDA" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Xystodesmus parvus sp. nov., paratypes from Okinoerabu-jima Island, Kagoshima Pref. A C right gonopod of male paratype, lateral, mesal, and ventral (B, telopodite only) views, respectively D 2 nd leg pair (from femur omitted) of male paratype, anterior view E left cyphopod of female paratype (receptaculum omitted), anterior view. Abbreviations: a = acropodite, ms = macroseta, op = operculum, pfp = prefemoral process, t = tip of acropodite, v = valve. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure6" httpUri="https://binary.pensoft.net/fig/1278917">6 A C</figureCitation>
): Coxa stout, ~ 1.2 × longer than wide, coxal apophysis completely lacking, apophyseal macroseta (
<emphasis id="B7BFEA6B4C64BE662208E2517ACBEEB4" italics="true">ms</emphasis>
) relatively small. Prefemur short, stout, parallel-sided, densely setose on ventral side, with a few setae on dorsal side; prefemoral process (
<emphasis id="7B8FA778A9E705268255719A3A9B14DD" italics="true">pfp</emphasis>
) slender, shorter than acropodite, bent ventrad and ending in a long, pointed tip; acropodite (
<emphasis id="687CD28738707E11A389AD4F9C32ADFA" italics="true">a</emphasis>
) slightly broader and longer, bending subparallel to prefemoral process, gradually tapering towards somewhat broader, leaf-like tip (
<emphasis id="E8423066D7791960159A230A2F102B62" italics="true">t</emphasis>
) (Fig.
<figureCitation id="6713599A968F6D25CFD4EF004A0A364E" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Xystodesmus parvus sp. nov., paratypes from Okinoerabu-jima Island, Kagoshima Pref. A C right gonopod of male paratype, lateral, mesal, and ventral (B, telopodite only) views, respectively D 2 nd leg pair (from femur omitted) of male paratype, anterior view E left cyphopod of female paratype (receptaculum omitted), anterior view. Abbreviations: a = acropodite, ms = macroseta, op = operculum, pfp = prefemoral process, t = tip of acropodite, v = valve. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure6" httpUri="https://binary.pensoft.net/fig/1278917">6 B</figureCitation>
). Prostatic groove runs along mesal side of acropodite.
</paragraph>
<caption id="94B7AE397DEA86CEEAE357D839FBBAD0" ID-DOI="10.3897/zookeys.1231.141443.figure6" ID-arpha="4901B838-A60E-5AF9-8E1E-EE520EABAD58" httpUri="https://binary.pensoft.net/fig/1278917" startId="F6">
<paragraph id="A4FC1B0C6497A0D25DE1C9CC00EFE2A9">
<label id="FEE297DD8B010DD1D8487070CE690728">Figure 6.</label>
</paragraph>
<paragraph id="F7E49586F49C6C1D0DE22C4D4ED3D8AF">
<taxonomicName id="9C6A7E4CF9493AF6496F730B445E2A2B" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="parvus" status="sp. nov.">
<emphasis id="318AC1A3D64F0242A411D5CEAC31E865" italics="true">Xystodesmus parvus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="5C897973CD06235DF61B0554EB2995DA" rank="species">sp. nov.</taxonomicNameLabel>
, paratypes from Okinoerabu-jima Island, Kagoshima Pref.
<emphasis id="456D5407559DBDA86FF3D0BE4EA98FB3" bold="true">A C</emphasis>
right gonopod of male paratype, lateral, mesal, and ventral (
<emphasis id="781411B2229A84E8AE44C7AC3C1841F2" bold="true">B</emphasis>
, telopodite only) views, respectively
<emphasis id="7C8B0F0F10D72E552D6234B8F6275480" bold="true">D</emphasis>
2
<superScript id="F9591E92D7677F5C8B21A9DA9B2DFB37">nd</superScript>
leg pair (from femur omitted) of male paratype, anterior view
<emphasis id="F096DFBE03F33CCD88E8060F08B75F39" bold="true">E</emphasis>
left cyphopod of female paratype (receptaculum omitted), anterior view. Abbreviations: a = acropodite, ms = macroseta, op = operculum, pfp = prefemoral process, t = tip of acropodite, v = valve. Scale bars: 0.5 mm.
</paragraph>
</caption>
<paragraph id="25DA40D6402D110EF0075C583D2146FD">
<emphasis id="32A21CDFDECE282A10F04A31791180DF" bold="true">Female sexual characters</emphasis>
. Cyphopods (Fig.
<figureCitation id="032BE546F3698325D4AB8B01F4E00627" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Xystodesmus parvus sp. nov., paratypes from Okinoerabu-jima Island, Kagoshima Pref. A C right gonopod of male paratype, lateral, mesal, and ventral (B, telopodite only) views, respectively D 2 nd leg pair (from femur omitted) of male paratype, anterior view E left cyphopod of female paratype (receptaculum omitted), anterior view. Abbreviations: a = acropodite, ms = macroseta, op = operculum, pfp = prefemoral process, t = tip of acropodite, v = valve. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure6" httpUri="https://binary.pensoft.net/fig/1278917">6 E</figureCitation>
) situated in deep, joint aperture behind leg pair 2, loosely encapsulated in vulval sacs, well separated from each other. Receptacula (not shown in figure) on both anterior and posterior side, setose only along margins, with pointed mesal tips; operculum (
<emphasis id="8B70CA59715FC4F56A496863048205FD" italics="true">op</emphasis>
) elongated with three strong setae; bursal valves (
<emphasis id="71B270297A5964E04825EFC7D628BD2C" italics="true">v</emphasis>
) hidden between high receptacula, with short setae only.
</paragraph>
</subSubSection>
<subSubSection id="SECID0E6UBG" type="remarks">
<paragraph id="5C18ED3868E2BD473ACE30BE21A2CFD7">
<heading id="489208878135D26914FC6D3586965EA3" reason="title">Remarks.</heading>
</paragraph>
<paragraph id="4981CEC9A27FAF527C9F5E9A41FCED7D">
The new species was found in a protected botanical garden on the top of the central hill on the
<quantity id="18BC0ACFC6ACA872C7C4F20E1C94B26D" metricMagnitude="4" metricUnit="m" metricValue="9.3" unit="km" value="93.0">93 km</quantity>
<superScript id="7BCC8C1E1847DED62B7C1DE866E17BFF">2</superScript>
Okinoerabu-jima Island. The vegetation cover is subtropical broad-leaved evergreen forest, and the specimens were collected in the deep, humid, top-soil litter layer. No sympatric species of millipede were found.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EHVBG" type="etymology">
<paragraph id="C9B31CCF718F5E0246E6CB339E0A849F">
<heading id="77AF7FB0A28A3235B4C1C62CDAD4ACE1" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="A712DFFC87DAEF219A80924B703DA549">
Named after its small size (
<emphasis id="18B7F59E59BB60AB30E4F9EA997451C8" italics="true">parvus</emphasis>
, in Latin). Adjective, masculine.
</paragraph>
</subSubSection>
</treatment>
</document>

View file

@ -0,0 +1,310 @@
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<mods:title id="5EA8EAF012576A5C3017D2AAC7BAB7E3">Review of the millipede genus Xystodesmus (Diplopoda, Polydesmida), with seven new species from the southwestern part of Japan</mods:title>
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<mods:namePart id="E371F68A9421EAE61BB88694345808A4">Korsós, Zoltán</mods:namePart>
<mods:nameIdentifier id="E44E1D8C452687D8A2BF85CF607CE008" type="ORCID">0000-0003-1545-5086</mods:nameIdentifier>
<mods:affiliation id="5EA97EF331E1A03F729AE8ED1D3D7E6D">Department of Zoology, Hungarian Natural History Museum, Baross u. 13, H- 1088 Budapest, Hungary &amp; Department of Zoology, University of Veterinary Medicine Budapest, Rottenbiller u. 50, H- 1077 Budapest, Hungary &amp; Tropical Biosphere Research Center, University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0213, Japan</mods:affiliation>
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</mods:role>
<mods:namePart id="EF8303246362F8C2622D32412593500C">Nakamura, Yasuyuki</mods:namePart>
<mods:affiliation id="BFA6F26703F04F8D9694E2F31799DBCF">Fujukan, The Museum of the University of the Ryukyus, Senbaru 1, Nishihara, Okinawa 903 - 0129, Japan</mods:affiliation>
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<subSubSection id="6E78A8DFFEBEBA9972A252EA83C4AF51" type="nomenclature">
<paragraph id="0297C39406BDBB3C4379D61F89288360">
<taxonomicName id="60E4E0D4D16CD916A7ED7BA3FBCAF284" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="rebekae" status="sp. nov.">
<emphasis id="815CD1DD1BCA7112F78EF1E4C919A2C8" italics="true">Xystodesmus rebekae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="5673028FBC686B5F62B1394CC95CEB45" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="D31D015D6E01054C6829F2E471C6BE33" type="description">
<paragraph id="49C3A10568B35049C594833813ECF7D4">
<figureCitation id="4B7DF8260EC34A490E7FA54C5AD30FB2" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Xystodesmus rebekae sp. nov., male paratype from Mt. Yae-dake, Okinawa-jima Island, Okinawa Pref. A, B right gonopod, ventromesal and dorsolateral views, respectively C 2 nd legpair (from tibia omitted), anterior view D body cross section, 6 th segment, anterior view. Abbreviations: a = acropodite, ms = macroseta, pfp = prefemoral process. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1231.141443.figure7" httpUri="https://binary.pensoft.net/fig/1278918">Figs 7 A D</figureCitation>
,
<figureCitation id="0286C8ACD56779879A7BBA8310876DA7" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 E</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EIXBG" type="type material">
<paragraph id="EB1DF011FE4F805FCCEC78FFD1792D6B">
<heading id="3C742608F976A85DFB9F154C2993AD93" reason="title">Type material.</heading>
</paragraph>
<paragraph id="DD3DC27C535005D03B73A8FA67ED9475">
<materialsCitation id="8DDD0AEC5E3E2B00A91BA73A7A9798EF" collectingDate="2009-12-30" collectionCode="NSMT" collectorName="R. Korsos &amp; Korsos, Z &amp; Y. Nakamura" country="Japan" county="Central Ryukyus" elevation="390" latitude="26.638195" location="Okinawa-jima Isl." longLatPrecision="1" longitude="127.92719" municipality="Group" specimenCount="1" stateProvince="Okinawa" typeStatus="holotype">
<emphasis id="03B35326704BC86AF35000A9CCEE6E50" bold="true" italics="true">
<typeStatus id="F8EC4874AE27193A177EAD71DF8B8919" type="holotype">Holotype</typeStatus>
</emphasis>
: • male,
<collectingCountry id="4019C54095A7421461BEEB741756E65F" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="9C38C4E3E4DD9E5E07ECD4E492F67ED0">Central Ryukyus</collectingCounty>
,
<collectingRegion id="B4C5718F8345C2A971A2EC531949A3D0" country="Japan" name="Okinawa">Okinawa Pref.</collectingRegion>
,
<collectingRegion id="881BA3DEE3C2CA34A4BCB20758B88A78" country="Japan" name="Okinawa">Okinawa</collectingRegion>
<collectingMunicipality id="1D9C5B8FFEA7E1737F8374940E75130D">Group</collectingMunicipality>
,
<location id="02752CA4E8033E97603D9B738DCEFEC6" LSID="urn:lsid:plazi:treatment:B4C9232AADFA5D4B8FC31C3D6C6948F5:02752CA4E8033E97603D9B738DCEFEC6" country="Japan" county="Central Ryukyus" latitude="26.638195" longLatPrecision="1" longitude="127.92719" municipality="Group" name="Okinawa-jima Isl." stateProvince="Okinawa">Okinawa-jima Isl.</location>
,
<location id="F0EC145A17470E65EA0D0AAB75C9816B" LSID="urn:lsid:plazi:treatment:B4C9232AADFA5D4B8FC31C3D6C6948F5:F0EC145A17470E65EA0D0AAB75C9816B" country="Japan" county="Central Ryukyus" latitude="26.638195" longLatPrecision="1" longitude="127.92719" municipality="Group" name="Motobu Peninsula" stateProvince="Okinawa">Motobu Peninsula</location>
,
<location id="B73EC30ED7017B8741A789ED7BB1CB34" LSID="urn:lsid:plazi:treatment:B4C9232AADFA5D4B8FC31C3D6C6948F5:B73EC30ED7017B8741A789ED7BB1CB34" country="Japan" county="Central Ryukyus" latitude="26.638195" longLatPrecision="1" longitude="127.92719" municipality="Group" name="Mt. Yae-dake" stateProvince="Okinawa">Mt. Yae-dake</location>
,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0EWXBG" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[127.927194,26.638194]}">
<geoCoordinate id="C225552C40D387FA85A07E5FADCF15FA" degrees="26" direction="north" minutes="38" orientation="latitude" precision="1" seconds="17.5" value="26.638195">26 ° 38 ' 17.5 &quot; N</geoCoordinate>
,
<geoCoordinate id="615012D2B93477BF52C7FE2EF79A0490" degrees="127" direction="east" minutes="55" orientation="longitude" precision="1" seconds="37.9" value="127.92719">127 ° 55 ' 37.9 &quot; E</geoCoordinate>
</named-content>
,
<elevation id="FDFBDD0BC7DCE3C668C655E148E31A08" metricMagnitude="2" metricUnit="m" metricValue="3.9" unit="m" value="390.0">
<quantity id="81DB03C059A92138CEBA75CC3853F462" metricMagnitude="2" metricUnit="m" metricValue="3.9" unit="m" value="390.0">390 m</quantity>
a. s. l.
</elevation>
,
<date id="EABEBABE4433A87F9890BA3F3B78AEE2" value="2009-12-30">
<collectingDate id="9C84A21B80EE1BAD7BB487E8B35F8D15" value="2009-12-30">30 December 2009</collectingDate>
</date>
, leg.
<collectorName id="368F4DBB14FF8FE2A83A09EED411BAF4">
R.
<collectorName id="BEBC44C307C19A1B1D71C8806F62329F">Korsós, Z</collectorName>
</collectorName>
. Korsós and
<collectorName id="92D66907E17116C69427AB27DEF7200F">Y. Nakamura</collectorName>
(
<named-content id="86FC3079D184EF86DB6FE39BA9EF2C1C" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="6DEAF6B525D819504DE2090D3A2C2CD9" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 544)
</materialsCitation>
.
<materialsCitation id="AE012DDD6CB9DDD118BE3F67A177ADE0" collectingDate="2009-12-30" collectionCode="NSMT" collectorName="R. Korsos &amp; Korsos, Z &amp; Y. Nakamura" country="Japan" county="Central Ryukyus" elevation="390" latitude="26.638195" location="Okinawa-jima Isl." longLatPrecision="1" longitude="127.92719" municipality="Group" specimenCount="15" specimenCount-female="4" specimenCount-male="11" stateProvince="Okinawa" typeStatus="paratype">
<emphasis id="C08BA0A43EB31732CF51FB3EF2507D9C" bold="true" italics="true">
<typeStatus id="8BEA5CB195A8543BEF0B09F62083CDF7" type="paratype">Paratypes</typeStatus>
</emphasis>
: •
<specimenCount id="FF87D5F1C7B30DB9C88FEEF01B27621E" count="6" type="male">6 males</specimenCount>
and
<specimenCount id="7DEB412E8C1BDD9A7C2E894EC5EA3931" count="2" type="female">2 females</specimenCount>
, same locality and date (
<specimenCount id="FDC3E6665018C223E5E3CAF8CA79A639" count="1" type="male">1 male</specimenCount>
,
<specimenCount id="3229D4F9936E9FBC06AD937F2D0E088A" count="1" type="female">1 female</specimenCount>
<named-content id="168673A767130F344F3E7931181F5700" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="4D186AA76FC2BE47227725B3FAE88667" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 545;
<specimenCount id="4BBCB0D62AAA48A32CEBED3A045DD144" count="1" type="male">1 male</specimenCount>
,
<specimenCount id="FF811F5811EAC40E6E254DB9500AA7A1" count="1" type="female">1 female</specimenCount>
<named-content id="9BE07731F604C0B1D8DFD3CBDE33813B" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/university-ryukyus" xlink_title="Museum of the University of the Ryukyus, Okinawa">RUMF</named-content>
- ZD- 00943,
<named-content id="367CB3655613FFCC7B21CBCDEC7C04B7" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/university-ryukyus" xlink_title="Museum of the University of the Ryukyus, Okinawa">RUMF</named-content>
- ZD- 00944; •
<specimenCount id="A81FB0DE0DFF79A0991D72B2DD74B5E9" count="1" type="male">1 male</specimenCount>
<named-content id="D3F1A7026973EA3E7BAE327CC05D548C" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/hungarian-natural-history-museum-termeszettudomanyi-muzeum" xlink_title="Hungarian Natural History Museum, Budapest">HNHM</named-content>
diplo- 04544; •
<specimenCount id="C6019CAFAE1D10B31244691D1FFED821" count="1" type="male">1 male</specimenCount>
VMNH 112447,
<specimenCount id="76652743B20374CBCD9610D67CC7C40E" count="1" type="male">1 male</specimenCount>
<named-content id="B81B83940818FA52026E67B1FDFEACAE" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/zoological-museum-university-copenhagen" xlink_title="Natural History Museum of Denmark, Copenhagen">NHMD</named-content>
1184733)
</materialsCitation>
; •
<materialsCitation id="BBAE2E381BBEB687729EFF0C8AE1030A" collectingDate="2010-11-08" collectionCode="HNHM" collectorName="Z. Korsos &amp; Y. Nakamura" country="Japan" county="Central Ryukyus" elevation="390" latitude="26.638195" location="Okinawa-jima Isl." longLatPrecision="1" longitude="127.92719" municipality="Group" specimenCount="1" stateProvince="Okinawa" typeStatus="paratype">
<specimenCount id="4D9CA8F8BB5B93D1E4BD7FA4DED74F96" count="1" type="generic">1 juv.</specimenCount>
male, same locality,
<date id="2D0C64BCCFDD3EDE115441ED809D8D43" value="2010-11-08">
<collectingDate id="57428504DD425D1EEFAA77AC506992E2" value="2010-11-08">8 November 2010</collectingDate>
</date>
, leg.
<collectorName id="7B8FBA997A2231E23778B804DB8214B5">Z. Korsós</collectorName>
and
<collectorName id="AD65F529C41B1955C5297407B16379B8">Y. Nakamura</collectorName>
(No. 285) (
<named-content id="0A05C2EB854DCEEF9BAC5CEB0C73EEEF" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/hungarian-natural-history-museum-termeszettudomanyi-muzeum" xlink_title="Hungarian Natural History Museum, Budapest">
<collectionCode id="CEE2942E328E66A8BB89D5E88B06B2A5" country="Hungary" lsid="urn:lsid:biocol.org:col:34991" name="Hungarian Natural History Museum (Termeszettudomanyi Muzeum)">HNHM</collectionCode>
</named-content>
diplo- 04545)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EBZBG" type="diagnosis">
<paragraph id="D4CA783150138EFD4B268AAE57ABC105">
<heading id="EAAE6F4EF9683FCC6DBE84E0AF657C73" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="2B82A0DD260F1F491F12950322A098FA">
Medium to relatively large
<taxonomicName id="166ADF4470A96A1F09DB6BF3100735AD" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="0378CA585C6676D5581B560035909E48" italics="true">Xystodesmus</emphasis>
</taxonomicName>
with typical colour pattern, dark brown terga and bright orange paranotal spots. With its simple, two-branched male gonopod completely lacking coxal apophysis and sternal modifications on pregonopodal legs
<taxonomicName id="D88254E599F453198847D52430EEDE1B" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="rebekae" status="sp. nov.">
<emphasis id="B284236CD66576B772850B7DF589A275" italics="true">X. rebekae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="57B7E5D4280572E8709562E65E97F509" rank="species">sp. nov.</taxonomicNameLabel>
differs from all its congeners. Most similar species are
<taxonomicName id="06B2083A5699487BC33807D71F87CDED" authorityName="Korsós &amp; Nakamura" authorityYear="2025" baseAuthorityName="Pocock" baseAuthorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="variatus">
<emphasis id="6DF2337E1D8AA77AD1E2408155217780" italics="true">X. variatus</emphasis>
</taxonomicName>
and
<taxonomicName id="E1C4B0F7D39B22E0320C773CFBCA4F76" baseAuthorityName="Takakuwa" baseAuthorityYear="1943" class="Diplopoda" family="Xystodesmidae" genus="Phrurodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="gracilipes">
<emphasis id="CDD99E253B858E97094383F686FB526F" italics="true">X. gracilipes</emphasis>
</taxonomicName>
which also have only two gonopodal processes, but
<taxonomicName id="2FE04D594BA8DDE02269287DE6977D35" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="rebekae" status="sp. nov.">
<emphasis id="450D4A56688E5AC3435D7A8C41785EE7" italics="true">X. rebekae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="38F86B8755A996A34347B2ECFA181CBD" rank="species">sp. nov.</taxonomicNameLabel>
has a longer, S-shaped femoral process and a shorter, slimmer acropodite.
</paragraph>
</subSubSection>
<subSubSection id="SECID0E11BG" type="description">
<paragraph id="207D714D579A7A8CA0E03C8AE94A41D0">
<heading id="944F8B2DB49F23B1C2D291474682BD4C" reason="title">Description.</heading>
</paragraph>
<paragraph id="6821A920ABB294959D889A5F3C57DD11">
Length
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, midbody width with paraterga
<quantity id="46DBEF5C678160BB8D5E5C29CA3F7D05" metricMagnitude="-3" metricUnit="m" metricValue="6.949999999999999" metricValueMax="7.3" metricValueMin="6.6" unit="mm" value="6.949999999999999" valueMax="7.3" valueMin="6.6">6.67.3 mm</quantity>
, midbody metatergal length
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, collum width
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, median collum length
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. Body sides between segments 514 subparallel.
</paragraph>
<paragraph id="DAA6CB3F9961C8D9C8D112ECACF7B700">Head smooth, with two frontal setae, epicranial suture distinct. Antennal articles more-or-less straight, slender, first article sub-globose, articles 2 and 3 subequal in length, 46 also subequal but slightly longer than 2 and 3, 7 small, little wider than long.</paragraph>
<paragraph id="4A5A7A2AB7AE1FD28D1707A148D0F304">Pro- and metaterga completely smooth, transverse depression in metaterga hardly noticeable, but on midbody segments with two weak lateral swellings. Collum subtrapezoidal, arched, ≤ 2 × longer than metatergum 2, lateral edges directed posterioventrad, anteriolateral margin with well visible ridge. Anterior edge of paranota 24 slightly rounded, almost right-angled, posterior edge rounded, without projection. Triangular projection behind on metaterga 5, from 6 onwards increasingly pointed, sublateral excavations on posterior margin of midbody segments already strong, semicircular. Lateral sides of paranota arched, outline of segments clearly delimited. Pore formula normal, pores in lateral central position on narrow paranota.</paragraph>
<paragraph id="A2EB7DE597A6816B45ED0B56A4F1A733">Segments 1519 gradually tapering, posterior corners becoming more pointed. Epiproct protruding, in lateral view slightly curved, with two large setae on each lateral side on tubercles, projection with two pairs of setae on small side tubercles, two pairs in dorsolateral position, and 2 + 2 setae apically (8 pairs of setae altogether); paraprocts smooth, with two pair of setae on obvious median ridges; hypoproct subtrapezoidal with two setae on small tubercles.</paragraph>
<paragraph id="6DC1CD4391408053CBD0569F18524A50">
Bases of midbody leg pairs well separated (by
<quantity id="57353A61C7770B824F7502DBC1225ADA" metricMagnitude="-3" metricUnit="m" metricValue="1.4" metricValueMax="1.5" metricValueMin="1.3" unit="mm" value="1.4" valueMax="1.5" valueMin="1.3">1.31.5 mm</quantity>
), sterna smooth and wide, pro- and metasterna well separated. Coxa short, almost as wide as long; prefemur 1.2 × longer, on postgonopodal legs with well-developed ventral spine; femur 1.2 × longer than prefemur, slightly bent proximad; postfemur, tibia, and tarsus subequal in length, all ~ ½ as long as femur; claws normal on all legs.
</paragraph>
<paragraph id="61772B00CF39739A63DDB7F161C19260">
Colour of living specimens (Fig.
<figureCitation id="6A440C0170440D2B2297BD7E2B0C224A" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 E</figureCitation>
) generally dark brown appearance with bright orange paranotal spots. Proterga slightly paler, metaterga with two circular lateral spots. Preserved specimens paler, but the circular markings and the yellowish paranotal spots still noticeable. Clypeus pale brownish, underside of head, antennae, epiproct, and whole ventral side pale whitish, legs pale brown.
</paragraph>
<paragraph id="FC8F9E7A175AEA5EE027B073FD007847">
<emphasis id="3D3B373895934D78FFEF914D35D83FDE" bold="true">Male sexual characters</emphasis>
. Second leg pair (Fig.
<figureCitation id="75801FAD6F924C64BE731B059EF74A86" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Xystodesmus rebekae sp. nov., male paratype from Mt. Yae-dake, Okinawa-jima Island, Okinawa Pref. A, B right gonopod, ventromesal and dorsolateral views, respectively C 2 nd legpair (from tibia omitted), anterior view D body cross section, 6 th segment, anterior view. Abbreviations: a = acropodite, ms = macroseta, pfp = prefemoral process. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1231.141443.figure7" httpUri="https://binary.pensoft.net/fig/1278918">7 C</figureCitation>
) with small tubulous coxal processes, ~ 1 / 3 length of prefemora, sterna of segments 46 without any modifications (Fig.
<figureCitation id="F1BEB36694DA9A9ECA3235EA121944B2" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Xystodesmus rebekae sp. nov., male paratype from Mt. Yae-dake, Okinawa-jima Island, Okinawa Pref. A, B right gonopod, ventromesal and dorsolateral views, respectively C 2 nd legpair (from tibia omitted), anterior view D body cross section, 6 th segment, anterior view. Abbreviations: a = acropodite, ms = macroseta, pfp = prefemoral process. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1231.141443.figure7" httpUri="https://binary.pensoft.net/fig/1278918">7 D</figureCitation>
). Gonopods (Fig.
<figureCitation id="CC300EA3FF7E7A1B6E6D112D94FA4C4C" captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Xystodesmus rebekae sp. nov., male paratype from Mt. Yae-dake, Okinawa-jima Island, Okinawa Pref. A, B right gonopod, ventromesal and dorsolateral views, respectively C 2 nd legpair (from tibia omitted), anterior view D body cross section, 6 th segment, anterior view. Abbreviations: a = acropodite, ms = macroseta, pfp = prefemoral process. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1231.141443.figure7" httpUri="https://binary.pensoft.net/fig/1278918">7 A, B</figureCitation>
): Coxa long and slender, ~ 2 × as long as wide, coxal apophysis completely lacking, only a single apophyseal macroseta (
<emphasis id="AF45A2AA6B3617D4C05C95944578BB93" italics="true">ms</emphasis>
) on anteriomesal side. Prefemur slender, bottle-shaped, densely setose; prefemoral process (
<emphasis id="A901FCE2773E12C615F536A9D05B67F6" italics="true">pfp</emphasis>
) long, longer than acropodite, drawn S-shaped, smooth, without spines or spurs, gradually tapering and ending in a pointed tip. Acropodite (
<emphasis id="D849966BCEFC0025FACB249F6BD3E5E0" italics="true">a</emphasis>
) slim, subparallel-sided, ~ 2 /
<quantity id="9BBCFD4ED92784EE8D665E0032E3B8E4" metricMagnitude="-2" metricUnit="m" metricValue="7.62" unit="in" value="3.0">3 in</quantity>
length of prefemoral process, slightly spatulate before pointed tip where prostatic groove opens. In situ both branches (acropodite and prefemoral process) directed ventromesad, and those of the two gonopods crossing each other.
</paragraph>
<caption id="0BC70C09F6EC08252C0DDC6202EFD5D3" ID-DOI="10.3897/zookeys.1231.141443.figure7" ID-arpha="D8274CB5-0D39-5444-B9F5-650BA614B954" httpUri="https://binary.pensoft.net/fig/1278918" startId="F7">
<paragraph id="4F40DEFA0EB8BBCA97392B8F1175E38F">
<label id="4D9DF3A3C2C9C685155D9877D2F9BA93">Figure 7.</label>
</paragraph>
<paragraph id="03D4E728FAA393C2941CF43EAC256FF2">
<taxonomicName id="4D8D7B330E41F102708CD9F214BD3E11" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="rebekae" status="sp. nov.">
<emphasis id="B771B49E0F233E24286FD23970040364" italics="true">Xystodesmus rebekae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="71B76DFD061F7E86D60FF696B3914391" rank="species">sp. nov.</taxonomicNameLabel>
, male paratype from Mt. Yae-dake, Okinawa-jima Island, Okinawa Pref.
<emphasis id="DAC26051D3420835B9BE0CA78B0289E9" bold="true">A, B</emphasis>
right gonopod, ventromesal and dorsolateral views, respectively
<emphasis id="5A0E2967B192A258680055BFBE81B656" bold="true">C</emphasis>
2
<superScript id="B17F022F116B94631C0F6402D9FBF979">nd</superScript>
legpair (from tibia omitted), anterior view
<emphasis id="BA5F05EABCE1A6701E41DEB21782D302" bold="true">D</emphasis>
body cross section, 6
<superScript id="73025888832B32E9296A42C008CF8301">th</superScript>
segment, anterior view. Abbreviations: a = acropodite, ms = macroseta, pfp = prefemoral process. Scale bars: 1 mm.
</paragraph>
</caption>
<paragraph id="50415042A19EB6386182AEA2BC516476">
<emphasis id="72155E41EAA4287E66CD4BB3B4B8F6EF" bold="true">Female sexual characters</emphasis>
. Cyphopods deeply embedded in joint aperture closely behind leg pair 2, encapsulated in separate vulval sacs. Receptacula on both anterior and posterior side, subtriangular, setose on entire surface; operculum oval, narrow; valves round, without projected tips, with short setae along margins.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EF4BG" type="remarks">
<paragraph id="EC46507BB5C56D9D7F1051637E00609E">
<heading id="D671AEF9CFB9C823738530FA7D91B1B1" reason="title">Remarks.</heading>
</paragraph>
<paragraph id="D415B96F0FC7DDC6435AD3667ED7101E">
The individuals were collected in broad-leaved forest ground, always under loose stones. In the same habitat, but in the litter,
<taxonomicName id="117F57444B882E1C89A2124C498A126D" authority="(Pocock, 1895)" baseAuthorityName="Pocock" baseAuthorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Riukiaria" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="holstii">
<emphasis id="3354DB61B25B71EF92CADAF227913B51" italics="true">Riukiaria holstii</emphasis>
(
<bibRefCitation id="D15F4D499D72F5F520EEB2E9DB5C41B1" DOI="10.1080/00222939508677895" author="Pocock RI" refId="B31" refString="Pocock RI (1895) Report upon the Chilopoda and Diplopoda obtained by P. W. Bassett-Smith, Esq., Surgeon R. N., and J. J. Walker, Esq., R. N., during the cruise in the Chinese Seas of H. M. S. ' Penguin', Commander W. U. Moore commanding. Annals and Magazine of Natural History Ser. 6, 15: 346 - 372. https://doi.org/10.1080/00222939508677895" year="1895">Pocock, 1895</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="0DC7F5F91A1C60494FD51ACEB9800B9E" authority="(Pocock, 1895)" authorityName="Korsos et al." authorityYear="2011" baseAuthorityName="Pocock" baseAuthorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Riukiaria" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="neptuna">
<emphasis id="0DD5ECE604757AAB6575543D07D627CE" italics="true">Riukiaria neptuna</emphasis>
(
<bibRefCitation id="32EAB865C05C81AEDFFE3400D0B74768" DOI="10.1080/00222939508677895" author="Pocock RI" refId="B31" refString="Pocock RI (1895) Report upon the Chilopoda and Diplopoda obtained by P. W. Bassett-Smith, Esq., Surgeon R. N., and J. J. Walker, Esq., R. N., during the cruise in the Chinese Seas of H. M. S. ' Penguin', Commander W. U. Moore commanding. Annals and Magazine of Natural History Ser. 6, 15: 346 - 372. https://doi.org/10.1080/00222939508677895" year="1895">Pocock, 1895</bibRefCitation>
)
</taxonomicName>
were also found.
<taxonomicName id="CCF69751C63A67F18075B4B6C42DFC4E" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="rebekae" status="sp. nov.">
<emphasis id="CB3EE93AB390A87B9B167A18238149AF" italics="true">X. rebekae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="E5395078DC61F345A1C3D4B960007E05" rank="species">sp. nov.</taxonomicNameLabel>
seems to be confined to the single locality which is a limestone hill with medium altitude (
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) (relatively high for Okinawa-jima Isl.).
</paragraph>
</subSubSection>
<subSubSection id="SECID0EM5BG" type="etymology">
<paragraph id="DCD9EB723E5A4FACB1BE3A98FF09837F">
<heading id="CD0AAF727E0ABE702C440B2008D1EB47" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="4200CFC2D521F4E7E6B70B564DAA3D70">
Named after Rebeka Korsós, daughter of ZK, who found the first specimen in the
<typeStatus id="AD2F35FA4F4EB28820E33A403B05219E">type</typeStatus>
locality. Genitive noun derived as a matronym.
</paragraph>
</subSubSection>
</treatment>
</document>

View file

@ -0,0 +1,238 @@
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<mods:title id="7455BBB2EA621811D285EDA1DFCB4B9E">Review of the millipede genus Xystodesmus (Diplopoda, Polydesmida), with seven new species from the southwestern part of Japan</mods:title>
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<paragraph id="3EC4B0C0070CEEE323E51B128158C823">
<taxonomicName id="FEA91B220DD28EF169CC545399425C94" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="sesokoensis" status="sp. nov.">
<emphasis id="80CAA23FED58B834FB8C4B9A0817409F" italics="true">Xystodesmus sesokoensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="7ED4E7344F58A236B048860C26A2680C" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
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<subSubSection id="1E28D7BE20BCD93C8FBACB0F76DB928B" type="description">
<paragraph id="25150949008987EFA81824B0B3AFAA44">
<figureCitation id="3ACFEF80AD560B9C09C4F6D1F96DF762" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Xystodesmus sesokoensis sp. nov., left gonopod of male paratype from Sesoko-jima Isl., Okinawa Pref. A lateral view B mesal view C Tip of telopodite, ventral view. Abbreviations: a = acropodite, ca = coxal apophysis, ms = macroseta, pfp = prefemoral process, t = tooth. Scale bar: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure8" httpUri="https://binary.pensoft.net/fig/1278919">Figs 8 A C</figureCitation>
,
<figureCitation id="2B1A64AEED0679802A8A0838FA376337" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 F</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EDAAI" type="type material">
<paragraph id="C05EDF951DCBD5806DC9600AF47113D7">
<heading id="645758ACE2246E050336B619DC8AE19B" reason="title">Type material.</heading>
</paragraph>
<paragraph id="5B26541ECFD60A0012C28ADE093BB7B3">
<materialsCitation id="6BBBF71B623D0B272AE03003FE87ADFF" collectingDate="2012-03-11" collectionCode="NSMT" collectorName="Z. Korsos &amp; K. Watanabe" country="Japan" county="Central Ryukyus" latitude="26.643528" location="Sesoko-jima Isl." longLatPrecision="1" longitude="127.86797" municipality="Group" specimenCount="1" stateProvince="Okinawa" typeStatus="holotype">
<emphasis id="E69913E6ED07EF1A8EB7D3EFADCA9C5E" bold="true" italics="true">
<typeStatus id="9102F80993C26E0894CF520E3718C2AC" type="holotype">Holotype</typeStatus>
</emphasis>
: • male,
<collectingCountry id="A67EB89EADEE948040F64E4F02C698E5" name="Japan">Japan</collectingCountry>
,
<collectingCounty id="E18DE06325C3B58FABC23AB120692880">Central Ryukyus</collectingCounty>
,
<collectingRegion id="D088098DD0C426E7B247C02D4A3AD2C0" country="Japan" name="Okinawa">Okinawa Pref.</collectingRegion>
,
<collectingRegion id="1A3135D880DD6E77B25495E7BE6DDE45" country="Japan" name="Okinawa">Okinawa</collectingRegion>
<collectingMunicipality id="F362813DE2B5480C8108B281D72C525A">Group</collectingMunicipality>
,
<location id="55D9390A6AF0A7C1DBC13EF0B425F32E" LSID="urn:lsid:plazi:treatment:DDE6D2934743517DBE060AFBE56CDCCF:55D9390A6AF0A7C1DBC13EF0B425F32E" country="Japan" county="Central Ryukyus" latitude="26.643528" longLatPrecision="1" longitude="127.86797" municipality="Group" name="Sesoko-jima Isl." stateProvince="Okinawa">Sesoko-jima Isl.</location>
,
<location id="CF6B961D1876AF550BA7CBA504D2C9AB" LSID="urn:lsid:plazi:treatment:DDE6D2934743517DBE060AFBE56CDCCF:CF6B961D1876AF550BA7CBA504D2C9AB" country="Japan" county="Central Ryukyus" latitude="26.643528" longLatPrecision="1" longitude="127.86797" municipality="Group" name="Ominebaru" stateProvince="Okinawa">Ominebaru</location>
,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0ERAAI" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[127.867972,26.643528]}">
<geoCoordinate id="EFCC45B6537D47E8F9AB8C0B1A7ACFB5" degrees="26" direction="north" minutes="38" orientation="latitude" precision="1" seconds="36.7" value="26.643528">26 ° 38 ' 36.7 &quot; N</geoCoordinate>
,
<geoCoordinate id="BE04313DD77B212BE0A0829B5D4DF810" degrees="127" direction="east" minutes="52" orientation="longitude" precision="1" seconds="4.7" value="127.86797">127 ° 52 ' 4.7 &quot; E</geoCoordinate>
</named-content>
,
<date id="DB4BAB76B5F1D3EDF7E59422F6D3EF53" value="2012-03-11">
<collectingDate id="BC9E3A9ADE0901F2BDF752D5017E8CFF" value="2012-03-11">11 March 2012</collectingDate>
</date>
, leg.
<collectorName id="AD897A0354154DBD35950229EA7D95AE">Z. Korsós</collectorName>
and
<collectorName id="07044D159676E7A672264BDF0A9F16DD">K. Watanabe</collectorName>
(
<named-content id="81938CA929264D959A75DED36562F3FD" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/national-science-museum-natural-history" xlink_title="National Museum of Nature and Science, Tokyo">
<collectionCode id="E1926BC1E9D1043094FC44AE89F97A7B" country="Japan" httpUri="http://grbio.org/cool/f678-ci92" name="National Science Museum (Natural History)" type="">NSMT</collectionCode>
</named-content>
- My 546)
</materialsCitation>
.
<materialsCitation id="5FBC134F241BA67EB41D663CD7F429A2" collectingDate="2012-03-11" collectionCode="HNHM" collectorName="Z. Korsos &amp; K. Watanabe" country="Japan" county="Central Ryukyus" latitude="26.643528" location="Sesoko-jima Isl." longLatPrecision="1" longitude="127.86797" municipality="Group" specimenCount="2" specimenCount-juvenile="1" specimenCount-male="1" stateProvince="Okinawa" typeStatus="paratype">
<emphasis id="285511D9D479B7B722032DD5E6627290" bold="true" italics="true">
<typeStatus id="669AD465FDDEF831850D13744D120406" type="paratype">Paratypes</typeStatus>
</emphasis>
: •
<specimenCount id="22C6831143C498D7782CE202703669B2" count="1" type="male">1 male</specimenCount>
and
<specimenCount id="7A581C7130066E7E664B185C8EFEED97" count="1" type="juvenile">1 juvenile</specimenCount>
, same locality and date as
<typeStatus id="ED52BBA318E8E7CA3787ABD6AAE5D17D" type="holotype">holotype</typeStatus>
(
<named-content id="1788172F050F55F4EC445406F4B883B4" content-type="dwc:institutional_code" xlink_href="http://grbio.org/institution/hungarian-natural-history-museum-termeszettudomanyi-muzeum" xlink_title="Hungarian Natural History Museum, Budapest">
<collectionCode id="22D77FA60CC2C0BB9AAB6EE6E1921D20" country="Hungary" lsid="urn:lsid:biocol.org:col:34991" name="Hungarian Natural History Museum (Termeszettudomanyi Muzeum)">HNHM</collectionCode>
</named-content>
diplo- 04546)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EDBAI" type="diagnosis">
<paragraph id="3DAA9C7E2876665BEC762438959A9045">
<heading id="6780662377819B8723C6B310419C8D4F" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="4213259203FAFFBDA14763549622C912">
A small-sized
<taxonomicName id="C4CFDFE476F6593C1850789732290E1D" authorityName="Cook" authorityYear="1895" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="genus">
<emphasis id="7EFC072B72D7366664920CC515855B75" italics="true">Xystodesmus</emphasis>
</taxonomicName>
, with typical colour pattern, pale brown with orange paranotal spots. In its adult size, the most similar species is
<taxonomicName id="B6192B1D29940D2BDF1DDFB82D27EFAD" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="parvus" status="sp. nov.">
<emphasis id="0F92A94FC09C81243FF2403E6860FB39" italics="true">X. parvus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="C9768CB74286E0C76B5FB9470904BDF3" rank="species">sp. nov.</taxonomicNameLabel>
that has two simple branches whereas
<taxonomicName id="70E7C58DD4982FA853F7779D35C6E2C4" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="sesokoensis" status="sp. nov.">
<emphasis id="D29A68AAB966FF4C61CDBED0D7E8B0B4" italics="true">X. sesokoensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="FF5771515DCC1B2022AD08E8D900CB1B" rank="species">sp. nov.</taxonomicNameLabel>
has a prefemoral process with two small branches at tip, and a long, bending acropodite with a thickened end and a small tooth. Gonopods are somewhat similar to those of
<taxonomicName id="B96D2BF3EDA3B1DEA3BF3AFCEC65C73C" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="fasciatus" status="sp. nov.">
<emphasis id="FBBD2199BC08BAC8E3A08F348468DF78" italics="true">X. fasciatus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="DA951D98A521BC761DCC6A7F06DA4B95" rank="species">sp. nov.</taxonomicNameLabel>
but are larger, with a strong coxal apophysis, and its prefemoral process is much wider.
</paragraph>
</subSubSection>
<subSubSection id="SECID0ERCAI" type="description">
<paragraph id="B943D73FD3592B7AFEF29BD4F210615A">
<heading id="B1F04F23E73B575D5E87B09A759C068B" reason="title">Description.</heading>
</paragraph>
<paragraph id="E7E043BB63AE2E24ACD1E1417C53566D">
Total body length
<quantity id="69AFF462073399214B3D1B668A5B6AE3" metricMagnitude="-2" metricUnit="m" metricValue="1.95" metricValueMax="2.0" metricValueMin="1.9" unit="mm" value="19.5" valueMax="20.0" valueMin="19.0">1920 mm</quantity>
, midbody paratergal width
<quantity id="BD9474848E9D617817D28D18995941F1" metricMagnitude="-3" metricUnit="m" metricValue="3.7" unit="mm" value="3.7">3.7 mm</quantity>
, length
<quantity id="044AA7039D3949D9424F3720DAC35B45" metricMagnitude="-4" metricUnit="m" metricValue="8.0" unit="mm" value="0.8">0.8 mm</quantity>
, collum width 2.93.0 mm, length
<quantity id="A7CFD782EA2009CC0A390AF82088AE18" metricMagnitude="-3" metricUnit="m" metricValue="1.3" unit="mm" value="1.3">1.3 mm</quantity>
. Body sides between segments 515 subparallel.
</paragraph>
<paragraph id="15DEDEAD0FCE7F89E8A123304D4A4BF1">Head smooth, with two frontal setae, epicranial suture distinct. Antennal articles slightly clavate, first article sub-globose, articles 26 subequal in length, article 7 small, as long as wide.</paragraph>
<paragraph id="CFFC68BE36025232EA6408B784EBEB8A">Collum in dorsal view oval, edges rounded, with small anterior ridge, corners rounded. Pro- and metaterga completely smooth, transverse depression not visible. Segments 2 and 3 rectangular, both anterio- and posterio-lateral edge of paranota rounded, lacking projection; small projection starts on segment 4, then from 5 increasingly pointed, triangular, sublateral excavations on posterior margin becoming stronger. Lateral sides of paranota straight, outline of segments clearly delimited. Pore formula normal, pores in lateral central position on narrow paranota.</paragraph>
<paragraph id="256A45FE7345CF14B26E67FC6F8FAF6D">Segments 1619 gradually tapering, posterior corners becoming obtuse, sublateral excavations disappear. Epiproct in dorsal view triangular, blunt, in lateral view slightly curved ventrad, with 4 + 4 large setae on tubercles on lateral sides, projection with 2 + 2 apical setae; paraprocts smooth, with two pairs of setae, upper ones on margin, lower ones on side; hypoproct semicircular with two setae on small tubercles.</paragraph>
<paragraph id="F0F556E6909FD98186F1DB7AE92D204C">Bases of midbody leg pairs weakly separated, sterna smooth and wide, pro- and metasterna fused. Coxa short, rectangular; prefemur ~ 2 × as long as wide, with well-developed ventral spine; femur 1.5 × longer than prefemur, incrassate; postfemur small, sub-globose; tibia slender, approximately same length as postfemur, tarsus 2 × as long as tibia, slender, tapering towards small, curved claw.</paragraph>
<paragraph id="D778A8B200F7BA88E48594091B592BAB">
Colour of living specimens (Fig.
<figureCitation id="E0A008C53384005381C03E39A42319DD" captionStart="Figure 16" captionStartId="F16" captionText="Figure 16. Live habitus of new Xystodesmus millipede species A X. fasciatus sp. nov., male paratype, Fukiage, Kagoshima Pref. B X. keramae sp. nov., male paratype, Aka-jima Isl., Okinawa Pref. C X. kumeensis sp. nov., male paratype, Kume-jima Isl., Okinawa Pref. D X. parvus sp. nov., male paratype, Okinoerabu-jima Isl., Kagoshima Pref. E X. rebekae sp. nov., male paratype, Mt. Yae-dake, Okinawa-jima Isl., Okinawa Pref. F X. sesokoensis sp. nov., male holotype, Sesoko-jima Isl., Okinawa Pref. G unidentified female, Tokashiki-jima Isl., Okinawa Pref. H unidentified female, Tokuno-shima Isl., Kagoshima Pref. Not to scale." figureDoi="10.3897/zookeys.1231.141443.figure16" httpUri="https://binary.pensoft.net/fig/1278927">16 F</figureCitation>
) uniformly yellowish brown, only epiproct darker. Head, antennae, legs, and whole ventral side pale yellowish-greyish. Sides of collum and all paranota (except segment 19) with strong, pinkish-orangish spots.
</paragraph>
<paragraph id="93E4F300FEA15B1318E269AD93BE8317">
<emphasis id="BD8C7C199AEDD64843BF919081CA4A50" bold="true">Male characters</emphasis>
. Second leg pair with small coxal processes provided with three or four strong setae (as in
<taxonomicName id="390A7A9311864F796590D16A9FF781FE" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="parvus" status="sp. nov.">
<emphasis id="A4B6CABE0D6C39442EA12A63370AFBC2" italics="true">X. parvus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="5210A43ACA7DAACA33E9A06A86767EC3" rank="species">sp. nov.</taxonomicNameLabel>
, Fig.
<figureCitation id="83DBEC7C6EE29374398723C481CBC96E" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Xystodesmus parvus sp. nov., paratypes from Okinoerabu-jima Island, Kagoshima Pref. A C right gonopod of male paratype, lateral, mesal, and ventral (B, telopodite only) views, respectively D 2 nd leg pair (from femur omitted) of male paratype, anterior view E left cyphopod of female paratype (receptaculum omitted), anterior view. Abbreviations: a = acropodite, ms = macroseta, op = operculum, pfp = prefemoral process, t = tip of acropodite, v = valve. Scale bars: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure6" httpUri="https://binary.pensoft.net/fig/1278917">6 D</figureCitation>
), sterna and coxae of further legs without any modifications. Gonopods (Fig.
<figureCitation id="5F80A99EEBED2EFF446BEFA82ACCAD6A" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Xystodesmus sesokoensis sp. nov., left gonopod of male paratype from Sesoko-jima Isl., Okinawa Pref. A lateral view B mesal view C Tip of telopodite, ventral view. Abbreviations: a = acropodite, ca = coxal apophysis, ms = macroseta, pfp = prefemoral process, t = tooth. Scale bar: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure8" httpUri="https://binary.pensoft.net/fig/1278919">8 A C</figureCitation>
): Coxa stout, sub-globose, approximately as long as wide, instead of coxal apophysis only a small bump, with strong apophyseal macroseta (
<emphasis id="53445BF8146272E225D0A9540742C472" italics="true">ms</emphasis>
) above. Prefemur short, rectangular, densely setose on ventral side, with a few setae on dorsal side; prefemoral process (
<emphasis id="3E56D7DF72B6E777E3F20E0BC1AADDF1" italics="true">pfp</emphasis>
) slender, shorter than acropodite, bent ventrad and ending in two small projections; acropodite (
<emphasis id="1AAC1FA6943A03AE5168752D2599D761" italics="true">a</emphasis>
) slightly broader, longer, only slightly bending subparallel to prefemoral process, gradually thickening towards tip, ending in two small projections: one broader, leaf-like, strongly curved ventrad, the other one like a small tooth (
<emphasis id="6BE53C77072F949A9A0A02B016E8B1BA" italics="true">t</emphasis>
) (Fig.
<figureCitation id="77E84040BBDF6B70FD7E28E8464732AD" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Xystodesmus sesokoensis sp. nov., left gonopod of male paratype from Sesoko-jima Isl., Okinawa Pref. A lateral view B mesal view C Tip of telopodite, ventral view. Abbreviations: a = acropodite, ca = coxal apophysis, ms = macroseta, pfp = prefemoral process, t = tooth. Scale bar: 0.5 mm." figureDoi="10.3897/zookeys.1231.141443.figure8" httpUri="https://binary.pensoft.net/fig/1278919">8 C</figureCitation>
). Prostatic groove runs along medio-ventral side of acropodite.
</paragraph>
<caption id="326E4BC7C0998F7D45DB3625CBBD0DA3" ID-DOI="10.3897/zookeys.1231.141443.figure8" ID-arpha="D972769A-5781-5093-B3DB-1069CC876B72" httpUri="https://binary.pensoft.net/fig/1278919" startId="F8">
<paragraph id="F675BAEC6D2EDE9450435659EF418E43">
<label id="542C2D000D3B3E97AB31FF2059D477BE">Figure 8.</label>
</paragraph>
<paragraph id="EB8C7758756CA8D980D1A57E2BDE385D">
<taxonomicName id="6479C16E1CDDDF1D99326F200071149C" authorityName="Korsós &amp; Nakamura" authorityYear="2025" class="Diplopoda" family="Xystodesmidae" genus="Xystodesmus" kingdom="Animalia" order="Polydesmida" phylum="Arthropoda" rank="species" species="sesokoensis" status="sp. nov.">
<emphasis id="2CB1970F72732D1F6DFFEAE675FF133F" italics="true">Xystodesmus sesokoensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="BCB9556D38414641D788E7BD80D8BB02" rank="species">sp. nov.</taxonomicNameLabel>
, left gonopod of male paratype from Sesoko-jima Isl., Okinawa Pref.
<emphasis id="5230BF784B287264BE629C33802ACF1C" bold="true">A</emphasis>
lateral view
<emphasis id="97840F97A87A59951ED4FB8E9CC00339" bold="true">B</emphasis>
mesal view
<emphasis id="39309B90043B2D62AB12B35E20549B09" bold="true">C</emphasis>
Tip of telopodite, ventral view. Abbreviations: a = acropodite, ca = coxal apophysis, ms = macroseta, pfp = prefemoral process, t = tooth. Scale bar: 0.5 mm.
</paragraph>
</caption>
<paragraph id="35ECF969A1C10A7F4A8E7225ED6CC1B0">Female unknown.</paragraph>
</subSubSection>
<subSubSection id="SECID0ECFAI" type="remarks">
<paragraph id="306847486DFA66DA6A4796CAB512AC31">
<heading id="BF8BF3B4F92426025E9396365675FAC5" reason="title">Remarks.</heading>
</paragraph>
<paragraph id="D5E8A86524634756685FC542528FE587">
Sesoko-jima is a small island (area less than
<quantity id="739423D724367F20DA5860E64C8E0EF1" metricMagnitude="3" metricUnit="m" metricValue="3.0" unit="km" value="3.0">3 km</quantity>
<superScript id="EEDB19158964BEC62F8195881440AB14">2</superScript>
) very close to Okinawa-jima Isl., and it is somewhat surprising that it holds an endemic species of millipede. The species seems to be restricted to a small forest on the island.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EKFAI" type="etymology">
<paragraph id="60666326CDD6E34E3E8F8D658B8DE085">
<heading id="A1EB4BAB457A010D9A0D23A25139D97A" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="6456D7449C0FB655F1F89BB0390A8B47">
Named after the
<typeStatus id="D699CB51A89C14612AEB546C6462A9E5">type</typeStatus>
locality, Sesoko-jima Island, connected by bridge to the island of Okinawa-jima Isl .. Adjective, masculine.
</paragraph>
</subSubSection>
</treatment>
</document>