154 lines
14 KiB
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154 lines
14 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.797.29510" ID-GBIF-Dataset="17a988bc-106e-4cd5-af88-8a606353b34f" ID-PMC="PMC6255853" ID-Pensoft-Pub="1313-2970-797-19" ID-PubMed="30505161" ID-ZBK="A5403588F43D40FF81EE2009E49823B4" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1313-2970-797-19" ModsDocOrigin="ZooKeys 797" ModsDocTitle="A revision of dragon millipedes IV: the new genus Spinaxytes, with the description of nine new species (Diplopoda, Polydesmida, Paradoxosomatidae)" checkinTime="1542677994046" checkinUser="pensoft" docAuthor="Srisonchai, Ruttapon, Enghoff, Henrik, Likhitrakarn, Natdanai & Panha, Somsak" docDate="2018" docId="F9DF34622ABDAE14E4695A8643751306" docLanguage="en" docName="ZooKeys 797: 19-69" docOrigin="ZooKeys 797" docSource="http://dx.doi.org/10.3897/zookeys.797.29510" docTitle="Spinaxytes sutchariti Srisonchai, Enghoff & Panha, sp. n." docType="treatment" docUuid="4E54ED20-66AB-4BF7-B40D-D6F6699CF282" docUuidSource="ZooBank" docVersion="5" lastPageNumber="19" masterDocId="7C43FFACB225AA2193482143FFF2FF98" masterDocTitle="A revision of dragon millipedes IV: the new genus Spinaxytes, with the description of nine new species (Diplopoda, Polydesmida, Paradoxosomatidae)" masterLastPageNumber="69" masterPageNumber="19" originalUpdateDomain="Boston" originalUpdateTime="1542677994046" originalUpdateUser="pensoft" pageNumber="19" updateTime="1668166441925" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A revision of dragon millipedes IV: the new genus Spinaxytes, with the description of nine new species (Diplopoda, Polydesmida, Paradoxosomatidae)</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Srisonchai, Ruttapon</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Enghoff, Henrik</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Likhitrakarn, Natdanai</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Panha, Somsak</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2018</mods:date>
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<mods:detail type="volume">
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<mods:number>797</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>19</mods:start>
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<mods:end>69</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.797.29510</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.797.29510</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-797-19</mods:identifier>
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<mods:identifier type="ZBK">A5403588F43D40FF81EE2009E49823B4</mods:identifier>
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<mods:identifier type="ZooBank">A5403588F43D40FF81EE2009E49823B4</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="149736177" LSID="urn:lsid:zoobank.org:act:4E54ED20-66AB-4BF7-B40D-D6F6699CF282" httpUri="http://treatment.plazi.org/id/F9DF34622ABDAE14E4695A8643751306" lastPageNumber="19" pageId="0" pageNumber="19">
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<subSubSection pageId="0" pageNumber="19" type="nomenclature">
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<paragraph pageId="0" pageNumber="19">
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<taxonomicName LSID="http://zoobank.org/4E54ED20-66AB-4BF7-B40D-D6F6699CF282" authority="Srisonchai, Enghoff & Panha" class="Diplopoda" family="Paradoxosomatidae" genus="Spinaxytes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Spinaxytes sutchariti" order="Polydesmida" pageId="0" pageNumber="19" phylum="Arthropoda" rank="species" species="sutchariti">Spinaxytes sutchariti Srisonchai, Enghoff & Panha</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="19">sp. n.</taxonomicNameLabel>
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Figs 4P, Q; 5G; 24; 25
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="19" type="materials_examined">
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<paragraph pageId="0" pageNumber="19">Material examined.</paragraph>
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<paragraph pageId="0" pageNumber="19">
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Holotype. ♂, THAILAND, Krabi Province, Muang Krabi District, Tham Na Mee (Na Mee Cave),
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="8.136666">8°08'12"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="98.80639">98°48'23"E</geoCoordinate>
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, ca. 70 m a.s.l., 31 Aug. 2015, C. Sutcharit leg. (CUMZ-pxDGT00217). Paratypes. 7 ♂♂, 4 ♀♀, same data as for holotype (CUMZ-pxDGT00218).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="19" type="etymology">
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<paragraph pageId="0" pageNumber="19">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="19">The name honours associate professor Dr. Chirasak Sutcharit, malacologist of ASRU (CUMZ), collector of this new species and numerous other dragon millipedes.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="19" type="diagnosis">
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<paragraph pageId="0" pageNumber="19">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="19">
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Male femora without modification, sternal lobe between male coxae 4 incompletely bilobed. Similar in these respects to
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<taxonomicName lsidName="S. palmata" pageId="0" pageNumber="19" rank="species" species="palmata">S. palmata</taxonomicName>
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sp. n., but differs by having: a large and round lamina lateralis; tip of lamina medialis terminating in two spines; distal part of solenomere circular in tranverse section.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="19" type="description">
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<paragraph pageId="0" pageNumber="19">Description.</paragraph>
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<paragraph pageId="0" pageNumber="19">SIZE. Length 20-25 mm (male), 23-27 mm (female); width of midbody metazona 1.5-1.8 mm (male), 1.9-2.2 mm (female). Width of collum = 2 = 3 = 4 <head = 5-16, thereafter body gradually tapering towards telson.</paragraph>
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<paragraph pageId="0" pageNumber="19">
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Colour (Figure 24
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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). Specimens in life with body black; paraterga brownish white; head, antennae (except whitish distal part of antennomeres 7 and 8), collum, prozona, metaterga and epiproct black; surface below paraterga black/brownish black; sterna brown; legs brown/blackish brown; a few basal podomeres whitish brown.
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</paragraph>
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<paragraph pageId="0" pageNumber="19">Antennae. Reaching to body ring 8 or 9 (male) and 6 (female) when stretched dorsally.</paragraph>
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<paragraph pageId="0" pageNumber="19">Collum. With three transverse rows of setiferous tubercles, 4+4 tubercles in anterior row, 1+1 tubercles in intermediate row and 2+2 tubercles in posterior row; with one inconspicuous setiferous notch at lateral margin; paraterga spiniform, quite short, tip sharp, elevated at ca. 15°-20° in both male and female, directed caudolaterad.</paragraph>
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<paragraph pageId="0" pageNumber="19">Tegument. Quite dull; collum and metaterga (posterior part) coarsely microgranulate; metaterga (anterior part) and surface below paraterga smooth.</paragraph>
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<paragraph pageId="0" pageNumber="19">Metaterga. With two transverse rows of setiferous tubercles and setiferous spines; metaterga 2-19 with 2+2 tubercles in anterior row and 2+2 spines in posterior row; lateral spines of posterior row bigger and longer than mesal ones, subequal in size and length on all body rings.</paragraph>
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<paragraph pageId="0" pageNumber="19">Paraterga. Long; directed dorsolaterad on body rings 2-16, elevated at ca. 45°-50° (male) 40°-50° (female), directed dorsocaudad on ring 17, directed increasingly caudad on body rings 18 and 19. Ozopore visible in lateral view.</paragraph>
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<paragraph pageId="0" pageNumber="19">Telson. Epiproct quite long; tip subtruncate; lateral setiferous tubercles conspicuous; apical tubercles inconspicuous. Hypoproct subtrapeziform (in some specimens subtriangular); caudal margin round (in some specimens angular), with inconspicuous setiferous tubercles.</paragraph>
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<paragraph pageId="0" pageNumber="19">Sterna (Figure 4P). Sternal lobe between male coxae 4 incompletely bilobed; tips sharp, in situ directed laterad; posterior surface bearing 2 pores.</paragraph>
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<paragraph pageId="0" pageNumber="19">Legs (Figure 4Q). Male femora without modification.</paragraph>
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<paragraph pageId="0" pageNumber="19">Gonopods (Figs 5G, 25). Coxa subequal in length to femur. Prefemoral part ca. 2/3 as long as femur. Femur not enlarged distally. Postfemoral part narrow. Mesal sulcus and lateral sulcus wide. Solenophore bigger and longer than postfemoral part: lamina lateralis oval, large, long, tip round: lamina medialis long and slender; base enlarged, slightly attenuated near the tip; tip curving down, with two sharp spines (one smaller, one bigger). Solenomere curving up, circular in transverse section, tip directed anteriad.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="19" type="distribution">
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<paragraph pageId="0" pageNumber="19">Distribution and habitat</paragraph>
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<paragraph pageId="0" pageNumber="19">
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(Figure 24D).
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<taxonomicName lsidName="S. sutchariti" pageId="0" pageNumber="19" rank="species" species="sutchariti">S. sutchariti</taxonomicName>
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sp. n. is known only from the type locality, and we regard it as endemic to Thailand. The new species can be found in the same area as
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<taxonomicName class="Diplopoda" family="Paradoxosomatidae" genus="Gigaxytes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gigaxytes gigas" order="Polydesmida" pageId="0" pageNumber="19" phylum="Arthropoda" rank="species" species="gigas">Gigaxytes gigas</taxonomicName>
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, but we assume that they live in different microhabitats:
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<taxonomicName lsidName="G. gigas" pageId="0" pageNumber="19" rank="species" species="gigas">G. gigas</taxonomicName>
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was collected from the ground in leaf litter, whereas the new species was found on humid rock walls.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="19" type="remarks">
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<paragraph pageId="0" pageNumber="19">Remarks.</paragraph>
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<paragraph pageId="0" pageNumber="19">
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We found variation in the hypoproct: in some specimens subtrapeziform, in others subtriangular; caudal margin in some individuals round, in others angular. Parasitic mite larvae, probably of the genus
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<taxonomicName family="Erythraeidae" genus="Leptus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leptus" order="Trombidiformes" pageId="0" pageNumber="19" phylum="Arthropoda" rank="genus">Leptus</taxonomicName>
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Latreille, 1796, were found attached to the anterior body part of some female specimens. Larvae of?
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<taxonomicName family="Erythraeidae" genus="Leptus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leptus" order="Trombidiformes" pageId="0" pageNumber="19" phylum="Arthropoda" rank="genus">Leptus</taxonomicName>
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have previously been found on species of
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<taxonomicName class="Diplopoda" family="Paradoxosomatidae" genus="Desmoxytes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Desmoxytes" order="Polydesmida" pageId="0" pageNumber="19" phylum="Arthropoda" rank="genus">Desmoxytes</taxonomicName>
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(
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<taxonomicName lsidName="D. cervina" pageId="0" pageNumber="19" rank="species" species="cervina">D. cervina</taxonomicName>
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) and
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<taxonomicName class="Diplopoda" family="Paradoxosomatidae" genus="Nagaxytes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Nagaxytes" order="Polydesmida" pageId="0" pageNumber="19" phylum="Arthropoda" rank="genus">Nagaxytes</taxonomicName>
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(
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<taxonomicName lsidName="N. acantherpestes" pageId="0" pageNumber="19" rank="species" species="acantherpestes">N. acantherpestes</taxonomicName>
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(Golovatch & Enghoff, 1994)) (
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<bibRefCitation author="Srisonchai, R" journalOrPublisher="ZooKeys" pageId="0" pageNumber="19" pagination="1 - 177" title="A revision of dragon millipedes I: genus Desmoxytes Chamberlin, 1923, with the description of eight new species (Diplopoda, Polydesmida, Paradoxosomatidae)." url="https://doi.org/10.3897/zookeys.761.24214" volume="761" year="2018 a">Srisonchai et al. 2018a</bibRefCitation>
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,
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<bibRefCitation author="Srisonchai, R" journalOrPublisher="European Journal of Taxonomy" pageId="0" pageNumber="19" pagination="1 - 44" title="A revision of dragon millipedes II: the new genus Nagaxytes gen. nov., with the description of three new species (Diplopoda, Polydesmida, Paradoxosomatidae)." url="https://doi.org/10.5852/ejt.2018.462" volume="462" year="2018 b">2018b</bibRefCitation>
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, see also
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<bibRefCitation author="Southcott, RV" journalOrPublisher="Zoological Journal of the Linnean Society" pageId="0" pageNumber="19" pagination="1 - 153" title="Revision of the larvae of Leptus Latreille (Acarina: Erythraeidae) of Europe and North America, with descriptions of post-larval instars." url="https://doi.org/10.1111/j.1096-3642.1992.tb01228.x" volume="105" year="1992">Southcott 1992</bibRefCitation>
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).
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</paragraph>
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<caption pageId="0" pageNumber="19">
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<paragraph pageId="0" pageNumber="19">
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Figure 15. Photographs of live
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<taxonomicName class="Diplopoda" family="Paradoxosomatidae" genus="Spinaxytes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Spinaxytes krabiensis" order="Polydesmida" pageId="0" pageNumber="19" phylum="Arthropoda" rank="species" species="krabiensis">Spinaxytes krabiensis</taxonomicName>
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sp. n. and habitat A ♂ paratype, CUMZ-pxDGT00212 B ♂, specimen from Tham Sa Yuan Thong (Sa Yuan Thong Cave) C ♀ paratype D mating couple E habitat.
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</paragraph>
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</caption>
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<caption pageId="0" pageNumber="19">
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<paragraph pageId="0" pageNumber="19">
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Figure 16.
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<taxonomicName class="Diplopoda" family="Paradoxosomatidae" genus="Spinaxytes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Spinaxytes krabiensis" order="Polydesmida" pageId="0" pageNumber="19" phylum="Arthropoda" rank="species" species="krabiensis">Spinaxytes krabiensis</taxonomicName>
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sp. n., ♂ paratype, CUMZ-pxDGT00212 A, B anterior body part C, D body rings 9-11 E, H, I posteriormost body rings and telson F, G sternal lobe between coxae 4 J legs 4-8 K legs 1-3 L gonopods M right antenna N sculpture of body ring 10.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |