172 lines
15 KiB
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172 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.771.23158" ID-GBIF-Dataset="1f3e37ad-b8d5-4924-8bb7-bed8aaae62f2" ID-PMC="PMC6043632" ID-Pensoft-Pub="1313-2970-771-41" ID-PubMed="30008575" ID-ZBK="B9C650211C5E4654B4AB9151212637F2" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1313-2970-771-41" ModsDocOrigin="ZooKeys 771" ModsDocTitle="Two new species of the genus Trilacuna from Chongqing, China (Araneae, Oonopidae)" checkinTime="1530897069496" checkinUser="pensoft" docAuthor="Tong, Yanfeng, Guan, Xijin & Li, Shuqiang" docDate="2018" docId="1DC8766EBD3B5EF75D148A0613C9FE52" docLanguage="en" docName="ZooKeys 771: 41-56" docOrigin="ZooKeys 771" docSource="http://dx.doi.org/10.3897/zookeys.771.23158" docTitle="Trilacuna songyuae Tong & Li, sp. n." docType="treatment" docUuid="737A9BE2-8B18-4FA6-AB7E-D31F25495E0F" docUuidSource="ZooBank" docVersion="5" lastPageNumber="41" masterDocId="FFA1FFD2FFF6DB42C21CFF8DFF946B6D" masterDocTitle="Two new species of the genus Trilacuna from Chongqing, China (Araneae, Oonopidae)" masterLastPageNumber="56" masterPageNumber="41" pageNumber="41" updateTime="1668165980756" 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>Two new species of the genus Trilacuna from Chongqing, China (Araneae, Oonopidae)</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>Tong, Yanfeng</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>Guan, Xijin</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>Li, Shuqiang</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>771</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>41</mods:start>
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<mods:end>56</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.771.23158</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.771.23158</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-771-41</mods:identifier>
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<mods:identifier type="ZBK">B9C650211C5E4654B4AB9151212637F2</mods:identifier>
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<mods:identifier type="ZooBank">B9C650211C5E4654B4AB9151212637F2</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="146053611" LSID="urn:lsid:zoobank.org:act:737A9BE2-8B18-4FA6-AB7E-D31F25495E0F" httpUri="http://treatment.plazi.org/id/1DC8766EBD3B5EF75D148A0613C9FE52" lastPageNumber="41" pageId="0" pageNumber="41">
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<subSubSection pageId="0" pageNumber="41" type="nomenclature">
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<paragraph pageId="0" pageNumber="41">
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<taxonomicName LSID="http://zoobank.org/737A9BE2-8B18-4FA6-AB7E-D31F25495E0F" authority="Tong & Li" class="Arachnida" family="Oonopidae" genus="Trilacuna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Trilacuna songyuae" order="Araneae" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="songyuae">Trilacuna songyuae Tong & Li</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="41">sp. n.</taxonomicNameLabel>
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Figs 6, 7, 8, 9, 10
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="41" type="type material">
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<paragraph pageId="0" pageNumber="41">Type material.</paragraph>
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<paragraph pageId="0" pageNumber="41">
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Holotype ♂, (SYNU-101), China, Chongqing Municipality, Jiangjin Dist., Simianshan Natural Reserve, Dawopu,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="28.578878">28°34'43.956"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="106.35067">106°21'2.424"E</geoCoordinate>
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, 28 m, 20.X.2014, leg. S. Lyu and Y. Tong. Paratypes: 2 ♂, 2 ♀ (SYNU-101), same data as holotype; 5 ♂, 4 ♀ (SYNU-102), same data as holotype; 7 ♂, 5 ♀ (IZCAS Ar-25088), China, Chongqing Municipality, Jiangjin Dist., Simianshan Natural Reserve, Dawopu,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="28.587397">28°35'14.628"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="106.37911">106°22'44.790"E</geoCoordinate>
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, 1000 m, 20.X.2014, leg. S. Lyu and Y. Tong.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="41" type="materials_examined">
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<paragraph pageId="0" pageNumber="41">Other material studied.</paragraph>
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<paragraph pageId="0" pageNumber="41">
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7 ♂, 1 ♀ (SYNU-103), same data as holotype; 8 ♂, 2 ♀ (SYNU-105), China, Chongqing Municipality, Jiangjin Dist., Simianshan Natural Reserve, Dawopu,
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<geoCoordinate direction="north" orientation="latitude" precision="1" value="28.587397">28°35'14.628"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="1" value="106.36244">106°21'44.790"E</geoCoordinate>
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, 1000 m, 20. X. 2014, leg. S. Lyu and Y. Tong.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="41" type="etymology">
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<paragraph pageId="0" pageNumber="41">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="41">The specific name is after Miss Songyu Lyu (吕松宇), one of the collectors of this species.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="41" type="diagnosis">
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<paragraph pageId="0" pageNumber="41">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="41">
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The new species is similar to
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<taxonomicName lsidName="T. hansanensis" pageId="0" pageNumber="41" rank="species" species="hansanensis">T. hansanensis</taxonomicName>
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Seo, 2017. Both species have an elevated ridge on the posterior part of the male sternum, but can be distinguished by the long oval bulb, the very long setae (nls) on the prolateral surface of the male palpal tibiae and the two small, spear-like setae (sps) on the basal part of the prolateral surface of male palpal cymbium.
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<taxonomicName class="Arachnida" family="Oonopidae" genus="Trilacuna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Trilacuna hansanensis" order="Araneae" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="hansanensis">Trilacuna hansanensis</taxonomicName>
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has a pear-shaped bulbus, and there are no special setae on the male palpal tibia or cymbium (see
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<bibRefCitation author="Seo, BK" journalOrPublisher="Korean Journal of Environmental Biology" pageId="0" pageNumber="41" pagination="184 - 190" title="Four new species of the genera Trilacuna, Orchestina and Hahnia of the families Oonopidae and Hahniidae (Araneae) from Korea." url="https://doi.org/10.11626/KJEB.2017.35.2.184" volume="35" year="2017">Seo 2017</bibRefCitation>
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: figs 1
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<normalizedToken originalValue="A–K">A-K</normalizedToken>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="41" type="description">
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<paragraph pageId="0" pageNumber="41">Description.</paragraph>
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<paragraph pageId="0" pageNumber="41">
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Male. Body yellow-brown, chelicerae and sternum lighter, legs yellow. Habitus as in Fig. 6
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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. Body length 1.87; carapace 0.86 long, 0.73 wide; abdomen 0.97 long, 0.71 wide. Carapace sides granulate; lateral margin rebordered, with a row of short, fine hairs and small, blunt denticles. Eyes six, well developed, arranged in a compact group; ALE largest, PLE smallest;
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<normalizedToken originalValue="ALE–PLE">ALE-PLE</normalizedToken>
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separated by less than ALE radius, PME touching each other; posterior row recurved from above, procurved from front (Fig. 6D, G). Clypeus sinuous in frontal view, anterior lateral eyes separated from edge of carapace by about 2.0 times their diameter, with needle-like setae. Mouthparts: chelicerae straight, proximal region with one hair with elevated hair base (ehb); labium rectangular, anterior margin deeply incised (ldi) (Fig. 6E); endites slender, distally slightly branched (sdb) (Fig. 6B). Sternum with radial furrows between coxae
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<normalizedToken originalValue="I–II">I-II</normalizedToken>
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,
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<normalizedToken originalValue="II–III">II-III</normalizedToken>
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,
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<normalizedToken originalValue="III–IV">III-IV</normalizedToken>
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; lateral margin smooth, middle area reticulate, posterior part with two slightly elevated ridges, each covered with a row of short, strong setae, the region between the two ridges strongly wrinkled (Fig. 6E). Abdomen: booklung covers (boc) large, ovoid, surface smooth (Fig. 7B). Dorsal scutum not fused to epigastric scutum. Apodemes present, posterior spiracles not connected by groove (Fig. 7A). Leg spination (all spines longer than segment width): legs I‒II: tibiae: v2-2-2-2-0, metatarsi: v2-2-0, leg IV: femur with very long hairs ventrally (Fig. 7F). Trichobothria: tibia: each with 3; metatarsus: each with 1.
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</paragraph>
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<caption pageId="0" pageNumber="41">
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<paragraph pageId="0" pageNumber="41">
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Figure 6.
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<taxonomicName class="Arachnida" family="Oonopidae" genus="Trilacuna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Trilacuna songyuae" order="Araneae" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="songyuae">Trilacuna songyuae</taxonomicName>
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sp. n., male. A habitus, dorsal view B habitus, ventral view C habitus, lateral view D prosoma, dorsal view E prosoma, ventral view, white arrow shows the ridges, with a row of setae F prosoma, lateral view G prosoma, anterior view. Abbreviations: ehb = elevated hair base; ldi = labium deep incision; sdb = slightly distal branch. Scale bars: 0.2 mm (
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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); 0.1 mm (
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<normalizedToken originalValue="D–G">D-G</normalizedToken>
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).
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</paragraph>
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</caption>
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<caption pageId="0" pageNumber="41">
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<paragraph pageId="0" pageNumber="41">
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Figure 7.
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<taxonomicName class="Arachnida" family="Oonopidae" genus="Trilacuna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Trilacuna songyuae" order="Araneae" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="songyuae">Trilacuna songyuae</taxonomicName>
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sp. n., male. A abdomen, ventral view B abdomen, lateral view C left palp, prolateral view D left palp, retrolateral view E chelicerae, oblique, anterior view F left leg IV, prolateral view. Abbreviations: boc = booklung covers; dd = dark dot; ehb = elevated hair base; nls = numerous, long setae; sp = sperm pore; sps = spear-like setae; tss = two long, strong setae. Scale bars: 0.1 mm (
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<normalizedToken originalValue="A–D">A-D</normalizedToken>
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).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="41">
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Genitalia. Epigastric region (Fig. 7A) with sperm pore small, oval, rebordered, situated before anterior spiracles; with a small dark dot (dd) between the posterior spiracles, a cluster of long hairs around the dark dot. Palp (Figs 7C, D, 8): orange. 0.42 long (0.14, 0.07, 0.10, 0.11). Femur strongly swollen (width/length = 0.08/0.14) (Fig. 7C, D). Tibia with numerous, very long, penniform setae (nls) on prolateral surface and two long, strong setae (tss) on retrolateral surface (Fig. 7C, D). Cymbium with two small, spear-like setae (sps) on basal part of prolateral surface (Figs 7C, 8G, H). Bulb long, oval, stout, tapering apically. Embolus system (Fig. 8B, D, F) complex, bearing numerous small
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<normalizedToken originalValue="“papillae”">"papillae"</normalizedToken>
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; with a strongly sclerotized, sickle-shaped protuberance (ssp) and a fan-shaped outgrowth (sso) prolaterally; between the two outgrowths is a cluster of long, line-like structures (cll); with a ribbon-like, nearly transparent outgrowth (rlo) and a broom-like outgrowth (blo) retrolaterally.
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</paragraph>
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<caption pageId="0" pageNumber="41">
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<paragraph pageId="0" pageNumber="41">
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Figure 8.
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<taxonomicName class="Arachnida" family="Oonopidae" genus="Trilacuna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Trilacuna songyuae" order="Araneae" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="songyuae">Trilacuna songyuae</taxonomicName>
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sp. n., male, SEM. A left palp, prolateral view B embolus system, prolateral view C left palp, retrolateral view D embolus system, retrolateral view E left palp, dorsal view F embolus system, dorsal view G tibia and cymbium, prolateral view H same, details, white arrow shows the spear-like setae. Abbreviations: blo = broom-like outgrowth; cll = cluster of long line-like structure; nls = numerous, long setae; rlo = ribbon-like outgrowth; sso = sector-shaped outgrowth; ssp = sickle-shaped protuberance.
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</paragraph>
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</caption>
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<caption pageId="0" pageNumber="41">
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<paragraph pageId="0" pageNumber="41">
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Figure 9.
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<taxonomicName class="Arachnida" family="Oonopidae" genus="Trilacuna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Trilacuna songyuae" order="Araneae" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="songyuae">Trilacuna songyuae</taxonomicName>
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sp. n., female, right legs, SEM. A leg I, prolateral view B tarsus I, dorsal view C leg II, prolateral view D tarsus II, dorsal view E leg III, prolateral view F tarsus III, dorsal view G leg IV, prolateral view H tarsus IV, prolateral view.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="41">Female. As in male except as noted. Slightly larger than male. Body length 1.91; carapace 0.89 long, 0.75 wide; abdomen 1.02 long, 0.78 wide. Postepigastric scutum long. Posterior spiracles connected by groove (Fig. 10B).</paragraph>
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<caption pageId="0" pageNumber="41">
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<paragraph pageId="0" pageNumber="41">
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Figure 10.
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<taxonomicName class="Arachnida" family="Oonopidae" genus="Trilacuna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Trilacuna songyuae" order="Araneae" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="songyuae">Trilacuna songyuae</taxonomicName>
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sp. n., female. A, B, C habitus, dorsal, ventral and lateral views D, E, F, G prosoma, dorsal, ventral, lateral and anterior views H, I genitalia, ventral and dorsal views. Abbreviations: apo = apodemes; css = cone-shaped structure; dk = dark knob; ehb = elevated hair base; ldi = labium deep incision; psc = paddle-like sclerite; psp = posterior spiracles. Scale bars: 0.2 mm (
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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); 0.1 mm (
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<normalizedToken originalValue="D–I">D-I</normalizedToken>
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).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="41">Genitalia. Ventral view (Fig. 10H): surface without external features, a dark knob-like marking (dk) can be seen through the cuticle. Dorsal view (Fig. 10I): with a very small, cone-shaped structure (css). Transverse bars with two relatively long, lateral apodemes.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="41" type="distribution">
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<paragraph pageId="0" pageNumber="41">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="41">China (Chongqing).</paragraph>
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</subSubSection>
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</treatment>
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</document> |