248 lines
27 KiB
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248 lines
27 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1034.63388" ID-GBIF-Dataset="bb9fed3d-8c07-41d8-947a-06926ac852a5" ID-PMC="PMC8093188" ID-Pensoft-Pub="1313-2970-1034-165" ID-Pensoft-UUID="B10A957A0D455B8F81DAD0409B37F8F5" ID-PubMed="33958929" ID-ZooBank="B93166004BE645879BB124B575FD405B" ModsDocID="1313-2970-1034-165" checkinTime="1619530782287" checkinUser="pensoft" docAuthor="Tong, Yanfeng, Sun, Xiaochen, Li, Shuqiang & Bian, Dongju" docDate="2021" docId="861341893F135E228B23D9194E516BD3" docLanguage="en" docName="ZooKeys 1034: 165-197" docOrigin="ZooKeys 1034" docPubDate="2021-04-26" docSource="http://dx.doi.org/10.3897/zookeys.1034.63388" docTitle="Ischnothyreus mengyang Tong & Li 2021, sp. nov." docType="treatment" docUuid="544C1DAA-EB94-4707-B4A5-688047F8ABD9" docUuidSource="ZooBank" docVersion="4" id="B10A957A0D455B8F81DAD0409B37F8F5" lastPageNumber="165" masterDocId="B10A957A0D455B8F81DAD0409B37F8F5" masterDocTitle="Taxonomic study of the genus Ischnothyreus (Araneae, Oonopidae) from Xishuangbanna Rainforest, southwestern China" masterLastPageNumber="197" masterPageNumber="165" pageNumber="165" updateTime="1668150208617" 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>Taxonomic study of the genus Ischnothyreus (Araneae, Oonopidae) from Xishuangbanna Rainforest, southwestern China</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:nameIdentifier type="ORCID">https://orcid.org/0000-0002-4348-7029</mods:nameIdentifier>
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<mods:affiliation>Life Science College, Shenyang Normal University, Shenyang 110034, China</mods:affiliation>
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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>Sun, Xiaochen</mods:namePart>
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<mods:affiliation>Life Science College, Shenyang Normal University, Shenyang 110034, China</mods:affiliation>
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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:nameIdentifier type="ORCID">https://orcid.org/0000-0002-3290-5416</mods:nameIdentifier>
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<mods:affiliation>Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China</mods:affiliation>
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<mods:nameIdentifier type="email">lisq@ioz.ac.cn</mods:nameIdentifier>
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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>Bian, Dongju</mods:namePart>
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<mods:affiliation>CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Shenyang 110016, China</mods:affiliation>
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<mods:nameIdentifier type="email">biandongju@163.com</mods:nameIdentifier>
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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>2021</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2021-04-26</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1034</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>165</mods:start>
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<mods:end>197</mods:end>
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</mods:extent>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.1034.63388</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.1034.63388</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1034-165</mods:identifier>
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<mods:identifier type="ZooBank">B93166004BE645879BB124B575FD405B</mods:identifier>
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<mods:identifier type="Pensoft-UUID">B10A957A0D455B8F81DAD0409B37F8F5</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="181652954" LSID="urn:lsid:zoobank.org:act:544C1DAA-EB94-4707-B4A5-688047F8ABD9" httpUri="http://treatment.plazi.org/id/861341893F135E228B23D9194E516BD3" lastPageNumber="165" pageId="0" pageNumber="165">
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<subSubSection pageId="0" pageNumber="165" type="nomenclature">
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<paragraph pageId="0" pageNumber="165">
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<taxonomicName LSID="http://zoobank.org/544C1DAA-EB94-4707-B4A5-688047F8ABD9" authority="Tong & Li" authorityName="Tong & Li" authorityYear="2021" class="Arachnida" family="Oonopidae" genus="Ischnothyreus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ischnothyreus mengyang" order="Araneae" pageId="0" pageNumber="165" phylum="Arthropoda" rank="species" species="mengyang" status="sp. nov.">Ischnothyreus mengyang Tong & Li</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="165">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Ischnothyreus mengyang sp. nov., male holotype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H-J left chelicerae, anterior, posterior and lateral views. Abbreviation: stp = strong, tooth-like projection. Scale bars: 0.4 mm (A-G); 0.1 mm (H-J)." figureDoi="10.3897/zookeys.1034.63388.figure7" httpUri="https://binary.pensoft.net/fig/535991" pageId="0" pageNumber="165">Figures 7</figureCitation>
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<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Ischnothyreus mengyang sp. nov., male holotype, left palp, SEM A-C prolateral, retrolateral and dorsal views D, E palpal bulb, prolateral and retrolateral views F-H distal part of palpal bulb, dorsal, prolateral and retrolateral views. Abbreviations: hsm = hook-shaped membrane; lpp = leaf-shaped prolateral projection; nsm = needle-shaped membrane; rl = retrolateral lobe; vpr = ventral protrusion." figureDoi="10.3897/zookeys.1034.63388.figure8" httpUri="https://binary.pensoft.net/fig/535992" pageId="0" pageNumber="165">, 8</figureCitation>
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<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Ischnothyreus mengyang sp. nov., female paratype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H epigastric region, ventral view. Abbreviation: ass = anchor-shaped structure. Scale bars: 0.4 mm (A-H)." figureDoi="10.3897/zookeys.1034.63388.figure9" httpUri="https://binary.pensoft.net/fig/535993" pageId="0" pageNumber="165">, 9</figureCitation>
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<figureCitation captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Ischnothyreus spp., left male palp A-C I. cristiformis sp. nov. D-F I. mangun sp. nov. G-I I. mengyang sp. nov. J-L I. qidaoban sp. nov. M-O I. qiuxing A, D, G, J, M prolateral view B, E, H, K, N dorsal view C, F, I, L, O retrolateral view. Scale bars: 0.1 mm (A-F, M-O); 0.2 mm (G-L)." figureDoi="10.3897/zookeys.1034.63388.figure20" httpUri="https://binary.pensoft.net/fig/536004" pageId="0" pageNumber="165">, 20G-I</figureCitation>
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<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Ischnothyreus spp., left male chelicerae A, B I. cristiformis sp. nov. C, D I. mangun sp. nov. E, F I. mengyang sp. nov. G, H I. qidaoban sp. nov. A, C, E, G anterior view B, D, F, H posterior view. Abbreviations: ccp = cockscomb-shaped process; hsp = helmet-shaped process; lsp = large, sclerotized process." figureDoi="10.3897/zookeys.1034.63388.figure22" httpUri="https://binary.pensoft.net/fig/536006" pageId="0" pageNumber="165">, 22E, F</figureCitation>
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<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Endogyne of Ischnothyreus spp., A, B I. cristiformis sp. nov. C, D I. mangun sp. nov. E, F I. mengyang sp. nov. G, H I. qidaoban sp. nov. I, J I. qiuxing A, C, E, G, I ventral view B, D, F, H, J dorsal view. Abbreviations: a = apodemes; bsa = bell-shaped atrium; cd = central oval depression; csa = circular atrium; nsa = nipple-shaped atrium; oa = opening of the atrium; rsa = rectangular-shaped atrium; wt = winding tube. Scale bars: 0.2 mm." figureDoi="10.3897/zookeys.1034.63388.figure23" httpUri="https://binary.pensoft.net/fig/536007" pageId="0" pageNumber="165">, 23E, F</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="165" type="type material">
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<paragraph pageId="0" pageNumber="165">Type material.</paragraph>
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<paragraph pageId="0" pageNumber="165">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Holotype</emphasis>
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♂: China, Yunnan, Jinghong City, Mengyang Town, Xishuangbanna Natural Reserve, monsoon forest;
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<geoCoordinate degrees="21" direction="north" minutes="24.161" orientation="latitude" precision="1" value="21.402683">21°24.161'N</geoCoordinate>
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,
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<geoCoordinate degrees="101" direction="east" minutes="36.412" orientation="longitude" precision="1" value="101.606865">101°36.412'E</geoCoordinate>
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; 791 m; 16.VI.2013; Q. Zhao and Z. Chen leg. (SYNU-387).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Paratypes</emphasis>
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5♂12♀: same data as for holotype (SYNU-388-404).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="165" type="diagnosis">
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<paragraph pageId="0" pageNumber="165">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="165">
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The new species is similar to
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<taxonomicName lsidName="I. taunggyi" pageId="0" pageNumber="165" rank="species" species="taunggyi">
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<emphasis italics="true" pageId="0" pageNumber="165">I. taunggyi</emphasis>
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</taxonomicName>
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Tong & Li, 2020 in the male palp and the large, sclerotized process of male cheliceral fang, but can be distinguished by the broad retrolateral lobe of male palp (Fig.
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<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Ischnothyreus mengyang sp. nov., male holotype, left palp, SEM A-C prolateral, retrolateral and dorsal views D, E palpal bulb, prolateral and retrolateral views F-H distal part of palpal bulb, dorsal, prolateral and retrolateral views. Abbreviations: hsm = hook-shaped membrane; lpp = leaf-shaped prolateral projection; nsm = needle-shaped membrane; rl = retrolateral lobe; vpr = ventral protrusion." figureDoi="10.3897/zookeys.1034.63388.figure8" httpUri="https://binary.pensoft.net/fig/535992" pageId="0" pageNumber="165">8F</figureCitation>
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) (vs small, ear-shaped retrolateral lobe in
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<taxonomicName lsidName="I. taunggyi" pageId="0" pageNumber="165" rank="species" species="taunggyi">
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<emphasis italics="true" pageId="0" pageNumber="165">I. taunggyi</emphasis>
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</taxonomicName>
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;
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<bibRefCitation DOI="https://doi.org/10.3897/zookeys.993.57676" author="Tong, Y" journalOrPublisher="ZooKeys" pageId="0" pageNumber="165" pagination="1 - 26" refId="B19" refString="Tong, Y, Li, S, Bian, D, 2020. Taxonomic study of the genus Ischnothyreus Simon, 1893 from Myanmar (Araneae, Oonopidae). ZooKeys 993: 1 - 26, DOI: https://doi.org/10.3897/zookeys.993.57676" title="Taxonomic study of the genus Ischnothyreus Simon, 1893 from Myanmar (Araneae, Oonopidae)." url="https://doi.org/10.3897/zookeys.993.57676" volume="993" year="2020">Tong et al. 2020</bibRefCitation>
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: fig. 9F) and by the long abdominal dorsal scutum of the female (5/6 of the abdomen length (Fig.
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<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Ischnothyreus mengyang sp. nov., female paratype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H epigastric region, ventral view. Abbreviation: ass = anchor-shaped structure. Scale bars: 0.4 mm (A-H)." figureDoi="10.3897/zookeys.1034.63388.figure9" httpUri="https://binary.pensoft.net/fig/535993" pageId="0" pageNumber="165">9A</figureCitation>
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) vs less than 1/2 of the abdomen length in
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<taxonomicName lsidName="I. taunggyi" pageId="0" pageNumber="165" rank="species" species="taunggyi">
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<emphasis italics="true" pageId="0" pageNumber="165">I. taunggyi</emphasis>
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</taxonomicName>
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;
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<bibRefCitation DOI="https://doi.org/10.3897/zookeys.993.57676" author="Tong, Y" journalOrPublisher="ZooKeys" pageId="0" pageNumber="165" pagination="1 - 26" refId="B19" refString="Tong, Y, Li, S, Bian, D, 2020. Taxonomic study of the genus Ischnothyreus Simon, 1893 from Myanmar (Araneae, Oonopidae). ZooKeys 993: 1 - 26, DOI: https://doi.org/10.3897/zookeys.993.57676" title="Taxonomic study of the genus Ischnothyreus Simon, 1893 from Myanmar (Araneae, Oonopidae)." url="https://doi.org/10.3897/zookeys.993.57676" volume="993" year="2020">Tong et al. 2020</bibRefCitation>
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: fig. 10A).
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</paragraph>
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<caption doi="10.3897/zookeys.1034.63388.figure7" httpUri="https://binary.pensoft.net/fig/535991" pageId="0" pageNumber="165" start="Figure 7" startId="F7">
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<paragraph pageId="0" pageNumber="165">
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<emphasis bold="true" pageId="0" pageNumber="165">Figure 7.</emphasis>
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<taxonomicName authorityName="Tong & Li" authorityYear="2021" class="Arachnida" family="Oonopidae" genus="Ischnothyreus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ischnothyreus mengyang" order="Araneae" pageId="0" pageNumber="165" phylum="Arthropoda" rank="species" species="mengyang">
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<emphasis italics="true" pageId="0" pageNumber="165">Ischnothyreus mengyang</emphasis>
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</taxonomicName>
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sp. nov., male holotype
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<emphasis bold="true" pageId="0" pageNumber="165">A-C</emphasis>
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habitus, dorsal, lateral and ventral views
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<emphasis bold="true" pageId="0" pageNumber="165">D-G</emphasis>
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prosoma, dorsal, lateral, ventral and anterior views
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<emphasis bold="true" pageId="0" pageNumber="165">H-J</emphasis>
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left chelicerae, anterior, posterior and lateral views. Abbreviation: stp = strong, tooth-like projection. Scale bars: 0.4 mm (
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<emphasis bold="true" pageId="0" pageNumber="165">A-G</emphasis>
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); 0.1 mm (
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<emphasis bold="true" pageId="0" pageNumber="165">H-J</emphasis>
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).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="165" type="description">
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<paragraph pageId="0" pageNumber="165">Description.</paragraph>
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<paragraph pageId="0" pageNumber="165">
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<emphasis bold="true" pageId="0" pageNumber="165">
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Male (holotype).
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<emphasis italics="true" pageId="0" pageNumber="165">Body</emphasis>
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</emphasis>
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: habitus as in Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Ischnothyreus mengyang sp. nov., male holotype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H-J left chelicerae, anterior, posterior and lateral views. Abbreviation: stp = strong, tooth-like projection. Scale bars: 0.4 mm (A-G); 0.1 mm (H-J)." figureDoi="10.3897/zookeys.1034.63388.figure7" httpUri="https://binary.pensoft.net/fig/535991" pageId="0" pageNumber="165">7A-C</figureCitation>
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; body length 1.86.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Carapace</emphasis>
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: 0.95 long, 0.78 wide; pale brown, with egg-shaped patches behind eyes, surface of elevated portion of pars cephalica smooth, sides finely reticulate, lateral margin straight, smooth (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Ischnothyreus mengyang sp. nov., male holotype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H-J left chelicerae, anterior, posterior and lateral views. Abbreviation: stp = strong, tooth-like projection. Scale bars: 0.4 mm (A-G); 0.1 mm (H-J)." figureDoi="10.3897/zookeys.1034.63388.figure7" httpUri="https://binary.pensoft.net/fig/535991" pageId="0" pageNumber="165">7D, E</figureCitation>
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).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Clypeus</emphasis>
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: height about 0.74 times ALE diameter (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Ischnothyreus mengyang sp. nov., male holotype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H-J left chelicerae, anterior, posterior and lateral views. Abbreviation: stp = strong, tooth-like projection. Scale bars: 0.4 mm (A-G); 0.1 mm (H-J)." figureDoi="10.3897/zookeys.1034.63388.figure7" httpUri="https://binary.pensoft.net/fig/535991" pageId="0" pageNumber="165">7G</figureCitation>
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).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Eyes</emphasis>
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: see Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Ischnothyreus mengyang sp. nov., male holotype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H-J left chelicerae, anterior, posterior and lateral views. Abbreviation: stp = strong, tooth-like projection. Scale bars: 0.4 mm (A-G); 0.1 mm (H-J)." figureDoi="10.3897/zookeys.1034.63388.figure7" httpUri="https://binary.pensoft.net/fig/535991" pageId="0" pageNumber="165">7D, G</figureCitation>
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.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Sternum</emphasis>
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: pale orange (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Ischnothyreus mengyang sp. nov., male holotype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H-J left chelicerae, anterior, posterior and lateral views. Abbreviation: stp = strong, tooth-like projection. Scale bars: 0.4 mm (A-G); 0.1 mm (H-J)." figureDoi="10.3897/zookeys.1034.63388.figure7" httpUri="https://binary.pensoft.net/fig/535991" pageId="0" pageNumber="165">7F</figureCitation>
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).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Mouthparts</emphasis>
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: chelicerae, endites and labium brown; chelicerae straight, base of fangs with large, sclerotized process, fang groove with a few small denticles (Figs
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Ischnothyreus mengyang sp. nov., male holotype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H-J left chelicerae, anterior, posterior and lateral views. Abbreviation: stp = strong, tooth-like projection. Scale bars: 0.4 mm (A-G); 0.1 mm (H-J)." figureDoi="10.3897/zookeys.1034.63388.figure7" httpUri="https://binary.pensoft.net/fig/535991" pageId="0" pageNumber="165">7H-J</figureCitation>
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,
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<figureCitation captionStart="Figure 22" captionStartId="F22" captionText="Figure 22. Ischnothyreus spp., left male chelicerae A, B I. cristiformis sp. nov. C, D I. mangun sp. nov. E, F I. mengyang sp. nov. G, H I. qidaoban sp. nov. A, C, E, G anterior view B, D, F, H posterior view. Abbreviations: ccp = cockscomb-shaped process; hsp = helmet-shaped process; lsp = large, sclerotized process." figureDoi="10.3897/zookeys.1034.63388.figure22" httpUri="https://binary.pensoft.net/fig/536006" pageId="0" pageNumber="165">22E, F</figureCitation>
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); anteromedian tip of endites with one strong, tooth-like projection (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Ischnothyreus mengyang sp. nov., male holotype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H-J left chelicerae, anterior, posterior and lateral views. Abbreviation: stp = strong, tooth-like projection. Scale bars: 0.4 mm (A-G); 0.1 mm (H-J)." figureDoi="10.3897/zookeys.1034.63388.figure7" httpUri="https://binary.pensoft.net/fig/535991" pageId="0" pageNumber="165">7F</figureCitation>
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).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Abdomen</emphasis>
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: 0.92 long, 0.55 wide; dorsal scutum well sclerotized, pale orange, covering approximately 4/5 of the abdomen length and 3/4 of the abdomen width, not fused to epigastric scutum; epigastric and postgastric scutum well sclerotized, pale orange, fused, postgastric scutum covering about 3/4 of the abdomen length (Fig.
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Ischnothyreus mengyang sp. nov., male holotype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H-J left chelicerae, anterior, posterior and lateral views. Abbreviation: stp = strong, tooth-like projection. Scale bars: 0.4 mm (A-G); 0.1 mm (H-J)." figureDoi="10.3897/zookeys.1034.63388.figure7" httpUri="https://binary.pensoft.net/fig/535991" pageId="0" pageNumber="165">7A-C</figureCitation>
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).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Legs</emphasis>
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: pale orange, femur I with 2 prolateral spines, tibia I with 4 pairs, metatarsus I with 2 pairs of long ventral spines. Leg II spination similar to leg I except femur with only 1 prolateral spine. Legs III and IV spineless.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Palp</emphasis>
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: trochanter with ventral projection, cymbium brown; bulb with 2 ventral protuberances, one large and another very small, distal end of bulb elongated, with one narrow leaf-shaped prolateral projection and a distal hook-shaped membrane, retrolateral lobe broad (Figs
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<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Ischnothyreus mengyang sp. nov., male holotype, left palp, SEM A-C prolateral, retrolateral and dorsal views D, E palpal bulb, prolateral and retrolateral views F-H distal part of palpal bulb, dorsal, prolateral and retrolateral views. Abbreviations: hsm = hook-shaped membrane; lpp = leaf-shaped prolateral projection; nsm = needle-shaped membrane; rl = retrolateral lobe; vpr = ventral protrusion." figureDoi="10.3897/zookeys.1034.63388.figure8" httpUri="https://binary.pensoft.net/fig/535992" pageId="0" pageNumber="165">8</figureCitation>
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,
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<figureCitation captionStart="Figure 20" captionStartId="F20" captionText="Figure 20. Ischnothyreus spp., left male palp A-C I. cristiformis sp. nov. D-F I. mangun sp. nov. G-I I. mengyang sp. nov. J-L I. qidaoban sp. nov. M-O I. qiuxing A, D, G, J, M prolateral view B, E, H, K, N dorsal view C, F, I, L, O retrolateral view. Scale bars: 0.1 mm (A-F, M-O); 0.2 mm (G-L)." figureDoi="10.3897/zookeys.1034.63388.figure20" httpUri="https://binary.pensoft.net/fig/536004" pageId="0" pageNumber="165">20G-I</figureCitation>
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).
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</paragraph>
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<caption doi="10.3897/zookeys.1034.63388.figure8" httpUri="https://binary.pensoft.net/fig/535992" pageId="0" pageNumber="165" start="Figure 8" startId="F8">
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<paragraph pageId="0" pageNumber="165">
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<emphasis bold="true" pageId="0" pageNumber="165">Figure 8.</emphasis>
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<taxonomicName authorityName="Tong & Li" authorityYear="2021" class="Arachnida" family="Oonopidae" genus="Ischnothyreus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ischnothyreus mengyang" order="Araneae" pageId="0" pageNumber="165" phylum="Arthropoda" rank="species" species="mengyang">
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<emphasis italics="true" pageId="0" pageNumber="165">Ischnothyreus mengyang</emphasis>
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</taxonomicName>
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sp. nov., male holotype, left palp, SEM
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<emphasis bold="true" pageId="0" pageNumber="165">A-C</emphasis>
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prolateral, retrolateral and dorsal views
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<emphasis bold="true" pageId="0" pageNumber="165">D, E</emphasis>
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palpal bulb, prolateral and retrolateral views
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<emphasis bold="true" pageId="0" pageNumber="165">F-H</emphasis>
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distal part of palpal bulb, dorsal, prolateral and retrolateral views. Abbreviations: hsm = hook-shaped membrane; lpp = leaf-shaped prolateral projection; nsm = needle-shaped membrane; rl = retrolateral lobe; vpr = ventral protrusion.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="165">
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<emphasis bold="true" pageId="0" pageNumber="165">Female (paratype, SYNU-393).</emphasis>
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Same as male except as noted.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Body</emphasis>
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: habitus as in Fig.
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<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Ischnothyreus mengyang sp. nov., female paratype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H epigastric region, ventral view. Abbreviation: ass = anchor-shaped structure. Scale bars: 0.4 mm (A-H)." figureDoi="10.3897/zookeys.1034.63388.figure9" httpUri="https://binary.pensoft.net/fig/535993" pageId="0" pageNumber="165">9A-C</figureCitation>
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; body length 1.96.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Carapace</emphasis>
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: 0.94 long, 0.82 wide.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Mouthparts</emphasis>
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: chelicerae and endites unmodified.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Abdomen</emphasis>
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: 1.05 long, 0.73 wide; dorsal scutum covering 5/6 of the abdomen length, about 2/3 of the abdomen width.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Epigastric area</emphasis>
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: postgastric scutum with central anchor-shaped structure (Fig.
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<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Ischnothyreus mengyang sp. nov., female paratype A-C habitus, dorsal, lateral and ventral views D-G prosoma, dorsal, lateral, ventral and anterior views H epigastric region, ventral view. Abbreviation: ass = anchor-shaped structure. Scale bars: 0.4 mm (A-H)." figureDoi="10.3897/zookeys.1034.63388.figure9" httpUri="https://binary.pensoft.net/fig/535993" pageId="0" pageNumber="165">9H</figureCitation>
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).
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<emphasis bold="true" italics="true" pageId="0" pageNumber="165">Endogyne</emphasis>
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: from the middle of the slightly thickened margin of the postgastric scutum runs a dark, complex winding tube, ending in a very small nipple-shaped atrium (Fig.
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<figureCitation captionStart="Figure 23" captionStartId="F23" captionText="Figure 23. Endogyne of Ischnothyreus spp., A, B I. cristiformis sp. nov. C, D I. mangun sp. nov. E, F I. mengyang sp. nov. G, H I. qidaoban sp. nov. I, J I. qiuxing A, C, E, G, I ventral view B, D, F, H, J dorsal view. Abbreviations: a = apodemes; bsa = bell-shaped atrium; cd = central oval depression; csa = circular atrium; nsa = nipple-shaped atrium; oa = opening of the atrium; rsa = rectangular-shaped atrium; wt = winding tube. Scale bars: 0.2 mm." figureDoi="10.3897/zookeys.1034.63388.figure23" httpUri="https://binary.pensoft.net/fig/536007" pageId="0" pageNumber="165">23E, F</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="165" type="etymology">
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<paragraph pageId="0" pageNumber="165">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="165">The specific name is a noun in apposition taken from the type locality.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="165" type="distribution">
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<paragraph pageId="0" pageNumber="165">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="165">Known only from the type locality.</paragraph>
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<caption doi="10.3897/zookeys.1034.63388.figure9" httpUri="https://binary.pensoft.net/fig/535993" pageId="0" pageNumber="165" start="Figure 9" startId="F9">
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<paragraph pageId="0" pageNumber="165">
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<emphasis bold="true" pageId="0" pageNumber="165">Figure 9.</emphasis>
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<taxonomicName authorityName="Tong & Li" authorityYear="2021" class="Arachnida" family="Oonopidae" genus="Ischnothyreus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Ischnothyreus mengyang" order="Araneae" pageId="0" pageNumber="165" phylum="Arthropoda" rank="species" species="mengyang">
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<emphasis italics="true" pageId="0" pageNumber="165">Ischnothyreus mengyang</emphasis>
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</taxonomicName>
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sp. nov., female paratype
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<emphasis bold="true" pageId="0" pageNumber="165">A-C</emphasis>
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habitus, dorsal, lateral and ventral views
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<emphasis bold="true" pageId="0" pageNumber="165">D-G</emphasis>
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prosoma, dorsal, lateral, ventral and anterior views
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<emphasis bold="true" pageId="0" pageNumber="165">H</emphasis>
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epigastric region, ventral view. Abbreviation: ass = anchor-shaped structure. Scale bars: 0.4 mm (
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<emphasis bold="true" pageId="0" pageNumber="165">A-H</emphasis>
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).
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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> |