treatments-xml/data/D0/C6/19/D0C6193911785F97869387F3F429598D.xml

<document ID-DOI="http://dx.doi.org/10.3897/zse.100.115813" ID-Pensoft-Pub="1860-0743-2-373" ID-Pensoft-UUID="5D2E69C833D9547DA4F98318B78C2474" ID-ZooBank="1B0AF998E43A4F829F97F6F8C99133B4" ModsDocID="1860-0743-100-2-373" checkinTime="1712193104275" checkinUser="pensoft" docAuthor="Jiang, Chao, Yao, Chonghui, Huang, Luqi &amp; Li, Weichun" docDate="2024" docId="D0C6193911785F97869387F3F429598D" docLanguage="en" docName="ZoosystEvol 100(2): 373-383" docOrigin="Zoosystematics and Evolution 100 (2)" docPubDate="2024-04-03" docSource="http://dx.doi.org/10.3897/zse.100.115813" docTitle="Exalloniscus curvispinatus Li &amp; Jiang 2024, sp. nov." docType="treatment" docUuid="1CFF7EBE-9FBA-46A3-857C-25511D27B65E" docUuidSource="ZooBank" docVersion="1" id="5D2E69C833D9547DA4F98318B78C2474" lastPageNumber="373" masterDocId="5D2E69C833D9547DA4F98318B78C2474" masterDocTitle="Five new species of Exalloniscus Stebbing, 1911 (Crustacea, Isopoda, Oniscidea) from China" masterLastPageNumber="383" masterPageNumber="373" pageNumber="373" updateTime="1712193104275" updateUser="pensoft">
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<mods:title id="683D85A6601EF8959D1491C2023E86EE">Five new species of Exalloniscus Stebbing, 1911 (Crustacea, Isopoda, Oniscidea) from China</mods:title>
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<mods:namePart id="FECA99C7E966AF19D8E0BF4A78707C87">Jiang, Chao</mods:namePart>
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<mods:affiliation id="4EF5B5AB9533119566B13E58DEE4F147">State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China</mods:affiliation>
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<mods:namePart id="514BF046E0C26EAE9BC5919BD9CE70EC">Yao, Chonghui</mods:namePart>
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<mods:namePart id="A7F146F7B4E9071F8940EB6B59FB76D0">Huang, Luqi</mods:namePart>
<mods:affiliation id="4AB0AFD32E0D5F9289B4B8DAFF1C776E">State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China</mods:affiliation>
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<mods:namePart id="C7B8FB2E65F2B1C4CCC9A5C819A8DAE0">Li, Weichun</mods:namePart>
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<mods:affiliation id="3B68C78F7E091D311FE520B28078B1F1">College of Agronomy, Jiangxi Agricultural University, Nanchang 330045, China</mods:affiliation>
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<mods:date id="27A53032C4EA27E68EB2610A049CA0DD">2024</mods:date>
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<treatment id="D0C6193911785F97869387F3F429598D" LSID="urn:lsid:zoobank.org:act:1CFF7EBE-9FBA-46A3-857C-25511D27B65E" httpUri="http://treatment.plazi.org/id/D0C6193911785F97869387F3F429598D" lastPageNumber="373" pageId="0" pageNumber="373">
<subSubSection id="1B0A0D8A17041EDB8B272A0FBDD995F5" pageId="0" pageNumber="373" type="nomenclature">
<paragraph id="FBC5D47BEA272A900FCCC8B6116F62D3" pageId="0" pageNumber="373">
<taxonomicName id="F47DA324A977B9AF30D3A8AC8DFE024A" LSID="https://zoobank.org/1CFF7EBE-9FBA-46A3-857C-25511D27B65E" authority="Li &amp; Jiang" authorityName="Li &amp; Jiang" authorityYear="2024" class="Malacostraca" family="Oniscidae" genus="Exalloniscus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exalloniscus curvispinatus" order="Isopoda" pageId="0" pageNumber="373" phylum="Arthropoda" rank="species" species="curvispinatus" status="sp. nov.">Exalloniscus curvispinatus Li &amp; Jiang</taxonomicName>
<taxonomicNameLabel id="D8E25C4DCC3D11A4E3A715438050C7FA" pageId="0" pageNumber="373">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="A35E27433C5D0B874B26080AE4EC1E61" pageId="0" pageNumber="373" type="description">
<paragraph id="18EA438B1DE6714A9B59F5FBE797B80E" pageId="0" pageNumber="373">
<figureCitation id="8739E8445A131620D961C1AB1B40E66B" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus of Exalloniscus species. A. E. duospinatus sp. nov., holotype; B (holotype); C (paratype). E. curvispinatus sp. nov.; D. E. thailandensis, male; E. E. triangulus sp. nov., holotype; F. E. tridentatus sp. nov., holotype; G. E. cortii, male; H. E. taitii sp. nov., holotype. Scale bar: 1 mm." figureDoi="10.3897/zse.100.115813.figure1" httpUri="https://binary.pensoft.net/fig/1015023" pageId="0" pageNumber="373">Figs 1B, C</figureCitation>
<figureCitation id="3144FF1B81A4CAFC7D67350A82D000C0" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Exalloniscus curvispinatus sp. nov., holotype. A. Antenna; B. Pereopod 1; C. Pereopod 7; D. Pleopod 1; E. Pleopod 2; F. Pleopod 3 exopod; G. Pleopod 4 exopod; H. Pleopod 5 exopod. Scale bar: 0.2 mm." figureDoi="10.3897/zse.100.115813.figure3" httpUri="https://binary.pensoft.net/fig/1015025" pageId="0" pageNumber="373">, 3</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="BD04F251E616E26478B0D5B869A8FD0A" pageId="0" pageNumber="373" type="type material">
<paragraph id="AB441F6605D9CAB4350A1B44E63E3151" pageId="0" pageNumber="373">Type material.</paragraph>
<paragraph id="4BBB5E26BF3D3354CA13A00D5BCEF1F4" pageId="0" pageNumber="373">
<emphasis id="4C8C6581F076056B2591EE2B56A19596" bold="true" pageId="0" pageNumber="373">
<emphasis id="0D7C6A858C2398CA292B1B15FEC24893" italics="true" pageId="0" pageNumber="373">Holotype</emphasis>
. China
</emphasis>
: male, Yunnan Province, Mengla County, Xiaomo Road (
<geoCoordinate id="77805FD9B3158C8B3C1C5F8F489E079B" degrees="21" direction="north" minutes="14" orientation="latitude" precision="925" value="21.233334">21°14'N</geoCoordinate>
, 
<geoCoordinate id="1180D8245628A0F2DCAFAD1958995424" degrees="101" direction="east" minutes="42" orientation="longitude" precision="925" value="101.7">101°42'E</geoCoordinate>
), alt. 650 m, 18 August 2023, Chao Jiang leg., habitus no. ML23002, prep. slide no. L23104 (JXAUM).
</paragraph>
<paragraph id="D8A81A8F1D39A8CE58774410EFB762FD" pageId="0" pageNumber="373">
<emphasis id="596BE47B97300155F885942EC4740676" bold="true" pageId="0" pageNumber="373">
<emphasis id="C7E8CC706A84B8D93CC191C7A037259E" italics="true" pageId="0" pageNumber="373">Paratypes</emphasis>
. China, Yunnan Province
</emphasis>
: Two males, one female, same data as the holotype, no. 20230818301; one male, Menglian County, Nayunzhen (
<geoCoordinate id="7DA2829924D4A5EB62285DB2DB1E691A" degrees="22" direction="north" minutes="19" orientation="latitude" precision="925" value="22.316668">22°19'N</geoCoordinate>
, 
<geoCoordinate id="3826F67DED3FD6A32B0F8F3ACB70F2EF" degrees="99" direction="east" minutes="35" orientation="longitude" precision="925" value="99.583336">99°35'E</geoCoordinate>
), 23 August 2023, Han Qiu leg., habitus no. NYZ23001, prep. slide no. L23105 (JXAUM); one male, Jinghong, Jinuo Village, Bakaxiaozhai (
<geoCoordinate id="86EFEA628DCEF13F891906854B5B8EA0" degrees="21" direction="north" minutes="57" orientation="latitude" precision="925" value="21.95">21°57'N</geoCoordinate>
, 
<geoCoordinate id="0E4C9404D2B25DCC9F4403E7C3C9DC03" degrees="101" direction="east" minutes="12" orientation="longitude" precision="925" value="101.2">101°12'E</geoCoordinate>
), 15 August 2023, Chao Jiang leg., no. 20230815301; three males, one female, Menglian County, Nayun Town, 23 August 2023, Han Qiu leg., nos. 20230302301 and 20230302202 (CMMI).
</paragraph>
</subSubSection>
<subSubSection id="2E9E0EE61780F8F84101188DE414B437" pageId="0" pageNumber="373" type="diagnosis">
<paragraph id="3A358398AB7175AC459A43DEA29C4EB4" pageId="0" pageNumber="373">Diagnosis.</paragraph>
<paragraph id="A0928CC68540C883A730340009362C52" pageId="0" pageNumber="373">Male pleopod 1 exopod almost pentagonal, and endopod recurved outwards at apical part.</paragraph>
</subSubSection>
<subSubSection id="92CB28346711D607061070B4D290DE55" pageId="0" pageNumber="373" type="description">
<paragraph id="7CDDF4F491E3671BE0E1B74D69B489F8" pageId="0" pageNumber="373">Description.</paragraph>
<paragraph id="69C9086DEB78CA2B9023AE100C5C6FB4" pageId="0" pageNumber="373">Maximum length: male 5.0 mm and female 4.2 mm.</paragraph>
<paragraph id="E80CDA7A4B301722DBD6D8FFAB584734" pageId="0" pageNumber="373">
<emphasis id="51D758C6585808049B548041E10F4F16" bold="true" italics="true" pageId="0" pageNumber="373">Body</emphasis>
oval, flattened and white. Cephalon with lateral lobes slightly protruding laterally, nearly triangular with blunted apex. Eyes absent. Pereonites with postero-lateral corner progressively more acute, directed backwards. Pleonites 3-5 with epimera falciform, protruding backwards. Telson triangular, twice as wide as long, lateral margin gently concave, ending with rounded apex. Uropod exopod as long as endopod (Fig. 
<figureCitation id="57ACA226D2B6D2C03FDB7DB9489528A2" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus of Exalloniscus species. A. E. duospinatus sp. nov., holotype; B (holotype); C (paratype). E. curvispinatus sp. nov.; D. E. thailandensis, male; E. E. triangulus sp. nov., holotype; F. E. tridentatus sp. nov., holotype; G. E. cortii, male; H. E. taitii sp. nov., holotype. Scale bar: 1 mm." figureDoi="10.3897/zse.100.115813.figure1" httpUri="https://binary.pensoft.net/fig/1015023" pageId="0" pageNumber="373">1B</figureCitation>
).
</paragraph>
<paragraph id="BD7B88E43244FC59222B381C5BCAE094" pageId="0" pageNumber="373">
<emphasis id="254D324E1FBB5A2793FDFF46C7B917DF" bold="true" italics="true" pageId="0" pageNumber="373">Antenna</emphasis>
with fifth article of peduncle slightly longer than flagellum; ratio of flagellum approximately 4:3:3 (Fig. 
<figureCitation id="A1B2C1A3D314E801991F77DC4EEEE17F" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Exalloniscus curvispinatus sp. nov., holotype. A. Antenna; B. Pereopod 1; C. Pereopod 7; D. Pleopod 1; E. Pleopod 2; F. Pleopod 3 exopod; G. Pleopod 4 exopod; H. Pleopod 5 exopod. Scale bar: 0.2 mm." figureDoi="10.3897/zse.100.115813.figure3" httpUri="https://binary.pensoft.net/fig/1015025" pageId="0" pageNumber="373">3A</figureCitation>
).
</paragraph>
<caption id="11E86F681DEC6472CD8DA50EAEFB706B" doi="10.3897/zse.100.115813.figure3" httpUri="https://binary.pensoft.net/fig/1015025" pageId="0" pageNumber="373" start="Figure 3" startId="F3">
<paragraph id="30EC5DA191554849F37EB85D36B636B5" pageId="0" pageNumber="373">
<emphasis id="B889BE2E17081DA0B96E8A2CBF5AD1BA" bold="true" pageId="0" pageNumber="373">Figure 3.</emphasis>
<taxonomicName id="3A73ABBBC1D48B065C80A5D80A29B983" authorityName="Li &amp; Jiang" authorityYear="2024" class="Malacostraca" family="Oniscidae" genus="Exalloniscus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exalloniscus curvispinatus" order="Isopoda" pageId="0" pageNumber="373" phylum="Arthropoda" rank="species" species="curvispinatus">
<emphasis id="00A475528B7BFA69F7EE0928C070EF14" italics="true" pageId="0" pageNumber="373">Exalloniscus curvispinatus</emphasis>
</taxonomicName>
sp. nov., holotype. 
<emphasis id="236E760E5012AF0AF3B9FEF6796888C7" bold="true" pageId="0" pageNumber="373">A.</emphasis>
Antenna; 
<emphasis id="10965ACAB5495590104A48F9892D28A3" bold="true" pageId="0" pageNumber="373">B.</emphasis>
Pereopod 1; 
<emphasis id="EBB3146EE2BA6D4F6F5652C227D459E8" bold="true" pageId="0" pageNumber="373">C.</emphasis>
Pereopod 7; 
<emphasis id="B4E713B8B3B8BFDEEFF1394A65355BD6" bold="true" pageId="0" pageNumber="373">D.</emphasis>
Pleopod 1; 
<emphasis id="67434D015779BD3A3029E95118380F6E" bold="true" pageId="0" pageNumber="373">E.</emphasis>
Pleopod 2; 
<emphasis id="FBB92715CFC6DBBFC869C6C413E22285" bold="true" pageId="0" pageNumber="373">F.</emphasis>
Pleopod 3 exopod; 
<emphasis id="8E977C6A1123903A7454BB807B26C078" bold="true" pageId="0" pageNumber="373">G.</emphasis>
Pleopod 4 exopod; 
<emphasis id="DF361E253D26613EF16970E33DA90CF0" bold="true" pageId="0" pageNumber="373">H.</emphasis>
Pleopod 5 exopod. Scale bar: 0.2 mm.
</paragraph>
</caption>
<paragraph id="ECCC128B0D000D475AEBA5F1F9342521" pageId="0" pageNumber="373">
<emphasis id="26879ABA8768773D71E84A13949BA476" bold="true" italics="true" pageId="0" pageNumber="373">Pereopod</emphasis>
1 with long strong setae on sternal margin of merus and carpus, carpus with basal part as wide as apical part, bearing transversal antennal grooming brush (Fig. 
<figureCitation id="C12F3A1986BDCADFF5B887FAC17169C0" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Exalloniscus curvispinatus sp. nov., holotype. A. Antenna; B. Pereopod 1; C. Pereopod 7; D. Pleopod 1; E. Pleopod 2; F. Pleopod 3 exopod; G. Pleopod 4 exopod; H. Pleopod 5 exopod. Scale bar: 0.2 mm." figureDoi="10.3897/zse.100.115813.figure3" httpUri="https://binary.pensoft.net/fig/1015025" pageId="0" pageNumber="373">3B</figureCitation>
). Pereopod 7 with several strong setae on sternal margin; basis with distinct water conducting system; ischium straight on sternal margin (Fig. 
<figureCitation id="8A50461C07E3182CD67A9443277E1608" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Exalloniscus curvispinatus sp. nov., holotype. A. Antenna; B. Pereopod 1; C. Pereopod 7; D. Pleopod 1; E. Pleopod 2; F. Pleopod 3 exopod; G. Pleopod 4 exopod; H. Pleopod 5 exopod. Scale bar: 0.2 mm." figureDoi="10.3897/zse.100.115813.figure3" httpUri="https://binary.pensoft.net/fig/1015025" pageId="0" pageNumber="373">3C</figureCitation>
).
</paragraph>
<paragraph id="EB593FC748CC8B6FA75BF5DFF1F4FBB5" pageId="0" pageNumber="373">
<emphasis id="D0F36F7E22FC9553526333D3D582BA5F" bold="true" italics="true" pageId="0" pageNumber="373">Male pleopod</emphasis>
1 exopod almost pentagonal; endopod with triangular lobe on outer margin, apical part thin and long, recurved outwards (Fig. 
<figureCitation id="1ADF3F1B2782084191E7F266C2E01233" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Exalloniscus curvispinatus sp. nov., holotype. A. Antenna; B. Pereopod 1; C. Pereopod 7; D. Pleopod 1; E. Pleopod 2; F. Pleopod 3 exopod; G. Pleopod 4 exopod; H. Pleopod 5 exopod. Scale bar: 0.2 mm." figureDoi="10.3897/zse.100.115813.figure3" httpUri="https://binary.pensoft.net/fig/1015025" pageId="0" pageNumber="373">3D</figureCitation>
). Pleopod 2 exopod oval, apical part narrowed toward round apex; endopod flagelliform, longer than exopod (Fig. 
<figureCitation id="1EA78B64208B4A6EF7E7207995EFA780" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Exalloniscus duospinatus sp. nov., holotype. A. Antenna; B. Pereopod 1; C. Pereopod 7; D. Pleopod 1; E. Pleopod 2; F. Pleopod 3 exopod; G. Pleopod 4 exopod; H. Pleopod 5 exopod. Scale bar: 0.1 mm." figureDoi="10.3897/zse.100.115813.figure2" httpUri="https://binary.pensoft.net/fig/1015024" pageId="0" pageNumber="373">2E</figureCitation>
). Pleopods 3-5 exopods oval with several setae on outer margin (Fig. 
<figureCitation id="E79349DE5B7C529DC0C91F2938D3DE88" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Exalloniscus curvispinatus sp. nov., holotype. A. Antenna; B. Pereopod 1; C. Pereopod 7; D. Pleopod 1; E. Pleopod 2; F. Pleopod 3 exopod; G. Pleopod 4 exopod; H. Pleopod 5 exopod. Scale bar: 0.2 mm." figureDoi="10.3897/zse.100.115813.figure3" httpUri="https://binary.pensoft.net/fig/1015025" pageId="0" pageNumber="373">3F-H</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="07775B35297180B06C7CD7B75645639B" pageId="0" pageNumber="373" type="etymology">
<paragraph id="AA79B6CA549F1AEA8DA6E3315AA2B867" pageId="0" pageNumber="373">Etymology.</paragraph>
<paragraph id="D66B01EFA9B5DAF57B4D57D68A0FAC2A" pageId="0" pageNumber="373">
Latin: prefix 
<emphasis id="0D567DAAE45E44219A8D63ED70DB7CA8" italics="true" pageId="0" pageNumber="373">curv</emphasis>
- = curved plus 
<emphasis id="FED71E650B8B4A12BCB61D928C98284E" italics="true" pageId="0" pageNumber="373">spinatus</emphasis>
= spinous. The new species name refers to the apical apex of male pleopod 1 endopod with a spinelike projection recurved outwards.
</paragraph>
</subSubSection>
<subSubSection id="FF3CEB226791C34E8D559D33BD6871F4" pageId="0" pageNumber="373" type="remarks">
<paragraph id="2E8D1422C1475F5432F4AEC7A86CD72A" pageId="0" pageNumber="373">Remarks.</paragraph>
<paragraph id="94E68B1F86AC5C39149D23FBB56D4214" pageId="0" pageNumber="373">
This species varied in body shapes (Fig. 
<figureCitation id="FCD3496DC6BB03FF2D6417DBBB07902E" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus of Exalloniscus species. A. E. duospinatus sp. nov., holotype; B (holotype); C (paratype). E. curvispinatus sp. nov.; D. E. thailandensis, male; E. E. triangulus sp. nov., holotype; F. E. tridentatus sp. nov., holotype; G. E. cortii, male; H. E. taitii sp. nov., holotype. Scale bar: 1 mm." figureDoi="10.3897/zse.100.115813.figure1" httpUri="https://binary.pensoft.net/fig/1015023" pageId="0" pageNumber="373">1B</figureCitation>
<emphasis id="FF8DDAB9B3870E07768842B6BE091F83" italics="true" pageId="0" pageNumber="373">versus</emphasis>
1C). Specimens collected in Mengla (Fig. 
<figureCitation id="8A5035357EAD5D62B7F4D34461D67430" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus of Exalloniscus species. A. E. duospinatus sp. nov., holotype; B (holotype); C (paratype). E. curvispinatus sp. nov.; D. E. thailandensis, male; E. E. triangulus sp. nov., holotype; F. E. tridentatus sp. nov., holotype; G. E. cortii, male; H. E. taitii sp. nov., holotype. Scale bar: 1 mm." figureDoi="10.3897/zse.100.115813.figure1" httpUri="https://binary.pensoft.net/fig/1015023" pageId="0" pageNumber="373">1B</figureCitation>
) are distinctly thinner than the specimens found in Menglian (Fig. 
<figureCitation id="1F2B6266F1C338EB7E26204BC8DCB041" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus of Exalloniscus species. A. E. duospinatus sp. nov., holotype; B (holotype); C (paratype). E. curvispinatus sp. nov.; D. E. thailandensis, male; E. E. triangulus sp. nov., holotype; F. E. tridentatus sp. nov., holotype; G. E. cortii, male; H. E. taitii sp. nov., holotype. Scale bar: 1 mm." figureDoi="10.3897/zse.100.115813.figure1" httpUri="https://binary.pensoft.net/fig/1015023" pageId="0" pageNumber="373">1C</figureCitation>
).
</paragraph>
<paragraph id="36F0FDDF195E065C0BCAEC42AD91083C" pageId="0" pageNumber="373">
The new species is similar to 
<taxonomicName id="D2B8A9FCF1300772B61E6DA898E5F334" lsidName="E. thailandensis" pageId="0" pageNumber="373" rank="species" species="thailandensis">
<emphasis id="753E19A3B6BAC5D3DC94E2BE6D6D96EB" italics="true" pageId="0" pageNumber="373">E. thailandensis</emphasis>
</taxonomicName>
in having a recurved pleopod 1 endopod (Fig. 
<figureCitation id="ADBEBF566FACD9453955231149637202" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Exalloniscus curvispinatus sp. nov., holotype. A. Antenna; B. Pereopod 1; C. Pereopod 7; D. Pleopod 1; E. Pleopod 2; F. Pleopod 3 exopod; G. Pleopod 4 exopod; H. Pleopod 5 exopod. Scale bar: 0.2 mm." figureDoi="10.3897/zse.100.115813.figure3" httpUri="https://binary.pensoft.net/fig/1015025" pageId="0" pageNumber="373">3</figureCitation>
<emphasis id="31F6910D227EE63FB40648F4121BFF8C" italics="true" pageId="0" pageNumber="373">versus</emphasis>
Fig. 
<figureCitation id="AD8F9FF974ABD2B93A297722A949C855" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Exalloniscus thailandensis (two males, China, Yunnan Province, Mengla, County, Guanlei Town, Baojiaoniu Cave, 17 August 2023, Chao Jiang leg., prep. slide no. L 23106). A. Antenna; B. Pereopod 1; C. Pereopod 7; D. Pleopod 1; E. Pleopod 2; F. Pleopod 3 exopod; G. Pleopod 4 exopod; H. Pleopod 5 exopod. Scale bar: 0.2 mm." figureDoi="10.3897/zse.100.115813.figure4" httpUri="https://binary.pensoft.net/fig/1015026" pageId="0" pageNumber="373">4</figureCitation>
). However, it can be distinguished by pereopod 1 with the basal part as wide as the apical part, pleopod 1 exopod almost pentagonal, and endopod without transversal sclerotized projections at the apical part (Fig. 
<figureCitation id="DAC9BEB7FDE7110DFEEBD9EC85B6DCF8" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Exalloniscus curvispinatus sp. nov., holotype. A. Antenna; B. Pereopod 1; C. Pereopod 7; D. Pleopod 1; E. Pleopod 2; F. Pleopod 3 exopod; G. Pleopod 4 exopod; H. Pleopod 5 exopod. Scale bar: 0.2 mm." figureDoi="10.3897/zse.100.115813.figure3" httpUri="https://binary.pensoft.net/fig/1015025" pageId="0" pageNumber="373">3B, D</figureCitation>
). In 
<taxonomicName id="CBD3A3E0DE1663E3A810C414F8FC87F9" lsidName="E. thailandensis" pageId="0" pageNumber="373" rank="species" species="thailandensis">
<emphasis id="773FED87D761817D52FD1333E07CAE6E" italics="true" pageId="0" pageNumber="373">E. thailandensis</emphasis>
</taxonomicName>
, the basal part of pereopod 1 is distinctly narrower than the apical part, pleopod 1 exopod is almost rounded, and endopod armed with transversal sclerotized projections at the apical part (Fig. 
<figureCitation id="FAE270120095A9D14ED8A86A6AE89E7B" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Exalloniscus thailandensis (two males, China, Yunnan Province, Mengla, County, Guanlei Town, Baojiaoniu Cave, 17 August 2023, Chao Jiang leg., prep. slide no. L 23106). A. Antenna; B. Pereopod 1; C. Pereopod 7; D. Pleopod 1; E. Pleopod 2; F. Pleopod 3 exopod; G. Pleopod 4 exopod; H. Pleopod 5 exopod. Scale bar: 0.2 mm." figureDoi="10.3897/zse.100.115813.figure4" httpUri="https://binary.pensoft.net/fig/1015026" pageId="0" pageNumber="373">4B, D</figureCitation>
). Moreover, the body pigments of the new species (white, Fig. 
<figureCitation id="F31630F3BDCFB7C6DA770C1EFA2437BD" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus of Exalloniscus species. A. E. duospinatus sp. nov., holotype; B (holotype); C (paratype). E. curvispinatus sp. nov.; D. E. thailandensis, male; E. E. triangulus sp. nov., holotype; F. E. tridentatus sp. nov., holotype; G. E. cortii, male; H. E. taitii sp. nov., holotype. Scale bar: 1 mm." figureDoi="10.3897/zse.100.115813.figure1" httpUri="https://binary.pensoft.net/fig/1015023" pageId="0" pageNumber="373">1B, C</figureCitation>
) differ from 
<taxonomicName id="20DF331572A756C6E74F24AE776BDFC7" lsidName="E. thailandensis" pageId="0" pageNumber="373" rank="species" species="thailandensis">
<emphasis id="30923BBFCADCE98D307AF09C093FDC92" italics="true" pageId="0" pageNumber="373">E. thailandensis</emphasis>
</taxonomicName>
(brown, Fig. 
<figureCitation id="F4721CBDDC211BB8591322FC8245FFC7" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus of Exalloniscus species. A. E. duospinatus sp. nov., holotype; B (holotype); C (paratype). E. curvispinatus sp. nov.; D. E. thailandensis, male; E. E. triangulus sp. nov., holotype; F. E. tridentatus sp. nov., holotype; G. E. cortii, male; H. E. taitii sp. nov., holotype. Scale bar: 1 mm." figureDoi="10.3897/zse.100.115813.figure1" httpUri="https://binary.pensoft.net/fig/1015023" pageId="0" pageNumber="373">1D</figureCitation>
) based on two male specimens from China, Yunnan Province, Mengla County, Guanlei Town, Baojiaoniu Cave. However, the colourless individuals of 
<taxonomicName id="C3B2629FA17CD88589B19B0ED29B65B5" lsidName="E. thailandensis" pageId="0" pageNumber="373" rank="species" species="thailandensis">
<emphasis id="44FB32E992ADDEA5624DB17893878536" italics="true" pageId="0" pageNumber="373">E. thailandensis</emphasis>
</taxonomicName>
have been described previously (see 
<bibRefCitation id="310CEC7FC009C6AFF9FC3D656D948879" DOI="https://doi.org/10.1111/j.1096-3642.1988.tb01200.x" author="Taiti, S" journalOrPublisher="Zoological Journal of the Linnean Society" pageId="0" pageNumber="373" pagination="339 - 377" refId="B13" refString="Taiti, S, Ferrara, F, 1988. Revision of the genus Exalloniscus Stebbing, 1911 (Crustacea: Isopoda: Oniscidea). Zoological Journal of the Linnean Society 94 (4): 339 - 377, DOI: https://doi.org/10.1111/j.1096-3642.1988.tb01200.x" title="Revision of the genus Exalloniscus Stebbing, 1911 (Crustacea: Isopoda: Oniscidea)." url="https://doi.org/10.1111/j.1096-3642.1988.tb01200.x" volume="94" year="1988">Taiti and Ferrara 1988</bibRefCitation>
). Thus, the body shape and colour should not be considered as exact characters to identify species of the genus.
</paragraph>
<caption id="C3DE429DE0CDE1857C9D4C7A5A2D3991" doi="10.3897/zse.100.115813.figure4" httpUri="https://binary.pensoft.net/fig/1015026" pageId="0" pageNumber="373" start="Figure 4" startId="F4">
<paragraph id="E342B9FEDE5E63FC0DF9F9E635F96E08" pageId="0" pageNumber="373">
<emphasis id="C1C473171F403D82C77D61E113819ED8" bold="true" pageId="0" pageNumber="373">Figure 4.</emphasis>
<taxonomicName id="310B233328931026DF9B97AF7D88A4E9" authorityName="Dalens" authorityYear="1987" class="Malacostraca" family="Oniscidae" genus="Exalloniscus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exalloniscus thailandensis" order="Isopoda" pageId="0" pageNumber="373" phylum="Arthropoda" rank="species" species="thailandensis">
<emphasis id="F4B06BA09C202263E7C862D8D9CBB46E" italics="true" pageId="0" pageNumber="373">Exalloniscus thailandensis</emphasis>
</taxonomicName>
(two males, China, Yunnan Province, Mengla, County, Guanlei Town, Baojiaoniu Cave, 17 August 2023, Chao Jiang leg., prep. slide no. L23106). 
<emphasis id="11C3C0128CAB10B3D1054FE95ED5EFA3" bold="true" pageId="0" pageNumber="373">A.</emphasis>
Antenna; 
<emphasis id="9C4D860B76E639EDC04F459BA54C331E" bold="true" pageId="0" pageNumber="373">B.</emphasis>
Pereopod 1; 
<emphasis id="003C75296AB2530E29EC8E2D83E43251" bold="true" pageId="0" pageNumber="373">C.</emphasis>
Pereopod 7; 
<emphasis id="4FFCDB5B65D7F72B9F92E08CAA0986B9" bold="true" pageId="0" pageNumber="373">D.</emphasis>
Pleopod 1; 
<emphasis id="1147A13DF3B42D6F8073C225B36712E8" bold="true" pageId="0" pageNumber="373">E.</emphasis>
Pleopod 2; 
<emphasis id="AD2D40C41E3DB3A672A57FA80102DFFE" bold="true" pageId="0" pageNumber="373">F.</emphasis>
Pleopod 3 exopod; 
<emphasis id="E0B321BDF381BE7BB37EF8570E63E93C" bold="true" pageId="0" pageNumber="373">G.</emphasis>
Pleopod 4 exopod; 
<emphasis id="D2839922332696497FDFE92D53F279C8" bold="true" pageId="0" pageNumber="373">H.</emphasis>
Pleopod 5 exopod. Scale bar: 0.2 mm.
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>