treatments-xml/data/17/76/37/177637C46F0F513EBBE22F864821751A.xml

<document id="C1240601AA077667A787259263185113" ID-CLB-Dataset="302059" ID-DOI="10.3897/zookeys.1211.126487" ID-GBIF-Dataset="7ab3b2e3-a324-4323-a1d3-1187e8639cc8" ID-ZooBank="16DBAD49-A3D7-40F4-A1A1-FB221AB008BD" ID-publisher-id="126487" URI-arpha="B73BACAB-2685-50F3-AE45-34B6464011DC" URI-zoobank="http://zoobank.org/16DBAD49-A3D7-40F4-A1A1-FB221AB008BD" XM.bibliography_approvedBy="admin" XM.materialsCitations_approvedBy="admin" XM.taxonomicNames_approvedBy="admin" article-type="research-article" checkinTime="1725299630871" checkinUser="pensoft" docAuthor="Wei, Mian, Liu, Jie &amp; Wang, Kai" docDate="2024" docId="177637C46F0F513EBBE22F864821751A" docLanguage="en" docName="ZooKeys 1211: 1-15" docOrigin="ZooKeys 1211" docSource="https://zookeys.pensoft.net/article/126487/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.generic" docStyleName="PensoftTaxPub.0000.journal_article.generic" docTitle="Yunguirius trigonus Wei &amp; Liu 2024, sp. nov." docType="treatment" docUuid="8854F835-A7BA-448B-B3B2-B0921CB9E1A6" docUuidSource="ZooBank" docVersion="5" dtd-version="3.0" lastPageNumber="15" masterDocId="B73BACAB268550F3AE4534B6464011DC" masterDocTitle="Four new species of the genus Yunguirius (Araneae, Agelenidae) from China" masterLastPageNumber="15" masterPageNumber="1" pageNumber="1" updateTime="1725309336694" updateUser="ExternalLinkService">
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<mods:title id="B46B6C06715603BE25173F47C3A28F57">Four new species of the genus Yunguirius (Araneae, Agelenidae) from China</mods:title>
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<mods:namePart id="6084D6AA1F206BBD8E12CE68EDDAE40A">Wei, Mian</mods:namePart>
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<mods:affiliation id="6B3CEFEAC063A1F53322A943812DFA45">Hubeiate Key Laboratory of Regional Development and Environmental Response, Faculty of Re-sources and Environmental Science, Hubei University, Wuhan 430062, China</mods:affiliation>
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<mods:namePart id="50EB776E16E77707F86E6D7547F4B4AD">Liu, Jie</mods:namePart>
<mods:affiliation id="8D90A2DDBE63F0417CA9506C208A9BBB">Hubeiate Key Laboratory of Regional Development and Environmental Response, Faculty of Re-sources and Environmental Science, Hubei University, Wuhan 430062, China &amp; The State Key Laboratory of Biocatalysis and Enzyme Engineering of China, School of Life Sciences, Hubei University, Wuhan 430062, Hubei, China</mods:affiliation>
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<mods:namePart id="3672C6B02BEA6A3BF5FC86043C080BA9">Wang, Kai</mods:namePart>
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<mods:affiliation id="CB3CC4E194F5F8B2D8330AF749A46C7D">Hubeiate Key Laboratory of Regional Development and Environmental Response, Faculty of Re-sources and Environmental Science, Hubei University, Wuhan 430062, China</mods:affiliation>
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<subSubSection id="19ECDF6B07D68288FDBF51DF99FC3633" type="nomenclature">
<paragraph id="CFD98F68CDE8C6D80ECDE6AFAC6116B4">
<taxonomicName id="E54B4B7DF9C416F8204C6D6DD62272EC" authority="Wei &amp; Liu" authorityName="Wei &amp; Liu" authorityYear="2024" class="Arachnida" family="Agelenidae" genus="Yunguirius" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Araneae" phylum="Arthropoda" rank="species" species="trigonus" status="sp. nov.">
<emphasis id="080E74E434BED6F9F48F4CC9C049B53D" italics="true">Yunguirius trigonus</emphasis>
Wei &amp; Liu
</taxonomicName>
<taxonomicNameLabel id="3DA0B386840BA75EE4A36015188A5A10" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="764F8D09813DCD22A545E479F308D900" type="description">
<paragraph id="E07DD12F53C4B26363A7AC265AA34C3C">
<figureCitation id="5322C6E629418CAA7CD07ECA8FF7D4B7" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epigyne of Yunguirius trigonus sp. nov. A epigyne, ventral view B vulva, dorsal view. Scale bars: 1.00 mm. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SS = spermathecal stalk. The white dashed line B indicates the spermathecal head, the white outline B indicates the fertilization duct. Scale bar: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure4" httpUri="https://binary.pensoft.net/fig/1126344">Figs 4</figureCitation>
, 
<figureCitation id="F0AA7B005190A8D3ABC1AED546765539" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Characters of the female of Yunguirius trigonus sp. nov. A habitus, dorsal view B habitus, prolateral view C eye area, frontal view D eye area, dorsal view E cephalic rigion, lateral view. Scale bars: 2.00 mm (A, B); 0.50 mm (C, D); 0.25 mm (E)." figureDoi="10.3897/zookeys.1211.126487.figure5" httpUri="https://binary.pensoft.net/fig/1126345">5</figureCitation>
, 
<figureCitation id="2FCA3D576692663F301D9409BA48E436" captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Distributions of the species of Yunguirius. 1 Y. duoge 2 Y. ornatus 3 Y. parvus sp. nov. 4 Y. subterebratus 5 Y. terebratus 6 Y. trigonus sp. nov. 7 Y. wangqiqiae sp. nov. 8 Y. xiangding 9 Y. xiannushanensis sp. nov." figureDoi="10.3897/zookeys.1211.126487.figure10" httpUri="https://binary.pensoft.net/fig/1126350">10</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0EDJAE" type="type material">
<paragraph id="E4641445B31DD620EBB7E332DE31E586">
<heading id="CB15E51F89A4F4AADCDF6943692D78AC" reason="title">Type material.</heading>
</paragraph>
<paragraph id="32F2D56D4A96C3C7936D0D7867DDFA0C">
<materialsCitation id="1E75DA3ECABAE969D2F751060796B03C" ID-GBIF-Occurrence="4927569304" collectingDate="2021-09-30" collectionCode="T" collectorName="T. X. Gu" country="China" county="City" elevation="681" latitude="29.0489" location="Jinfo Mountain" longLatPrecision="6" longitude="107.1279" municipality="Nanchuan District" specimenCode="HBU-WM-24-003" specimenCount="1" specimenCount-female="1" stateProvince="Chongqing City" typeStatus="holotype">
<emphasis id="F4F37E7B2313E192F3A4C2C141B60C7A" bold="true" italics="true">
<typeStatus id="B1039C34B2BFD31394E16EF547C33485" type="holotype">Holotype</typeStatus>
</emphasis>
<specimenCount id="B702F7D58BAE54EC49A9F3FEE2296FA3" count="1" type="female">♀</specimenCount>
(
<specimenCode id="D92D258CF114A9FC4377124A97526815">HBU-WM-24-003</specimenCode>
): 
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: 
<collectingRegion id="62A061523AEAC0EBE48906E58E50F396">Chongqing City</collectingRegion>
, 
<collectingMunicipality id="1B446EBBFD8140B2BCABB73F071C1843">Nanchuan District</collectingMunicipality>
, 
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, 
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<geoCoordinate id="BC4773D29E1C643B7F88C3854BDDC9B9" degrees="29.0489" direction="north" orientation="latitude" precision="5" value="29.0489">29.0489 ° N</geoCoordinate>
, 
<geoCoordinate id="8F5B64472FF17FF7716A200D7D8925D6" degrees="107.1279" direction="east" orientation="longitude" precision="5" value="107.1279">107.1279 ° E</geoCoordinate>
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, elevation: 
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, 
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<collectingDate id="D73CFD65F70531134F0A2673DA837A0F" value="2021-09-30">30. IX. 2021</collectingDate>
</date>
, 
<collectorName id="FE21CD65BE59725A45F1BCACE66F0978">T. X. Gu</collectorName>
leg.
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</paragraph>
</subSubSection>
<subSubSection id="SECID0EWJAE" type="etymology">
<paragraph id="ECFBD1DB24691FDEAC039D913CA090E4">
<heading id="E1E9146A5AB73246986777ACB28ACB93" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="CE8BF2883C0D1E47591C82CFE49DBC0B">The specific epithet is derived from the Greek word “ trigon ”, meaning triangular and referring to the atrium and the posterior epigynal sclerite of the new species forming into a subtriangular pattern; an adjective.</paragraph>
</subSubSection>
<subSubSection id="SECID0E2JAE" type="diagnosis">
<paragraph id="3AD276793FD828A2C9C2BEBAABDD3A02">
<heading id="0EF4C73B4246409B37A2A3D16A015B4D" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="999F3EE4145F4A8A45E353A311D349A1">
The females of 
<taxonomicName id="E33D9788EF7E70EC17ED3DFEDDB79E94" authorityName="Wei &amp; Liu" authorityYear="2024" class="Arachnida" family="Agelenidae" genus="Yunguirius" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Araneae" phylum="Arthropoda" rank="species" species="trigonus" status="sp. nov.">
<emphasis id="41F1DF7459BDBC89B00D755C24EAAB69" italics="true">Yunguirius trigonus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="25F50B4AE1BCDBEE733371CD097D1542" rank="species">sp. nov.</taxonomicNameLabel>
resemble those of 
<taxonomicName id="9853494108ED1F01A2D23B71211CEBF0" baseAuthorityName="Zhang, Zhu &amp; Wang" baseAuthorityYear="2017" class="Arachnida" family="Agelenidae" genus="Yunguirius" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Araneae" phylum="Arthropoda" rank="species" species="subterebratus">
<emphasis id="FB0BB5CB324F3079AC0E2748501ACDF4" italics="true">Y. subterebratus</emphasis>
</taxonomicName>
and 
<taxonomicName id="1E43660559A75866BBAA34C65D4884B9" authorityName="Wei &amp; Liu" authorityYear="2024" class="Arachnida" family="Agelenidae" genus="Yunguirius" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Araneae" phylum="Arthropoda" rank="species" species="wangqiqiae" status="sp. nov.">
<emphasis id="930547EA036B197F074489C330069EDA" italics="true">Y. wangqiqiae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="BD13DD8220E3D95F60302AD375C5E633" rank="species">sp. nov.</taxonomicNameLabel>
in having a trapezoidal atrium, with the width longer than the length and the width at the widest point being three times longer than the narrowest point (Figs 
<figureCitation id="C4D7100372228A820A4438E80D39748F" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epigyne of Yunguirius trigonus sp. nov. A epigyne, ventral view B vulva, dorsal view. Scale bars: 1.00 mm. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SS = spermathecal stalk. The white dashed line B indicates the spermathecal head, the white outline B indicates the fertilization duct. Scale bar: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure4" httpUri="https://binary.pensoft.net/fig/1126344">4 A</figureCitation>
, 
<figureCitation id="C6926A3DE6B73B754353D44CAB61EEFF" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Epigyne of Yunguirius wangqiqiae sp. nov. A epigyne, ventral view B vulva, dorsal view. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SL = the secondary layer of copulatory duct; SS = spermathecal stalk. Scale bar: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure6" httpUri="https://binary.pensoft.net/fig/1126346">6 A</figureCitation>
; fig. 245 A in 
<bibRefCitation id="753856E52CBB1C00E406E34FAF911130" author="Zhu" etAl="et al." firstAuthor="Zhu" journalOrPublisher="Science Press, Beijing" refId="B17" refString="Zhu MS, Wang XP, Zhang ZS (2017) Fauna Sinica: Invertebrata Vol. 59: Arachnida: Araneae: Agelenidae and Amaurobiidae. Science Press, Beijing, 727 pp." title="Fauna Sinica: Invertebrata Vol. 59: Arachnida: Araneae: Agelenidae and Amaurobiidae." year="2017">Zhu et al. 2017</bibRefCitation>
), compared to being trapezoidal but with the width being shorter than the length, and the width of the widest point approximately being twice that of the narrowest point in 
<taxonomicName id="773E849A6437E9381AB8F3504E576505" baseAuthorityName="Wang, Yin, Peng &amp; Xie" baseAuthorityYear="1990" class="Arachnida" family="Agelenidae" genus="Draconarius" kingdom="Animalia" order="Araneae" phylum="Arthropoda" rank="species" species="ornatus">
<emphasis id="8057EA114BFED5A4EB77FEA8A18DAA66" italics="true">Y. ornatus</emphasis>
</taxonomicName>
(Fig. 
<figureCitation id="A26150E5518E5B933A32E8FEF343ADC9" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Characters of the female of Yunguirius parvus sp. nov. A habitus, dorsal view B habitus, prolateral view C eye area, frontal view D eye area, dorsal view E cephalic rigion, lateral view. Scale bars: 2.00 mm (A, B); 0.50 mm (C, D); 0.25 mm (E)." figureDoi="10.3897/zookeys.1211.126487.figure3" httpUri="https://binary.pensoft.net/fig/1126343">3 A</figureCitation>
in 
<bibRefCitation id="2CD587E255C8B0F0E745D26CE3D428B2" DOI="10.3897/arphapreprints.e100836" author="Li" etAl="et al." firstAuthor="Li" refId="B8" refString="Li B, Zhao Z, Okumura K, Meng K, Li SQ, Chen HF (2023) Yunguirius, a new genus of Coelotinae (Araneae, Agelenidae) spiders from southwest China. ARPHA Preprints. https://doi.org/10.3897/arphapreprints.e100836" year="2023">Li et al. 2023</bibRefCitation>
), and being heart-shaped, pentagonal or subrounded in other 
<taxonomicName id="53D9F95E824877F93DE711A3050CA028">
<emphasis id="2320208BB03C2134B385536A17D2538C" italics="true">Yunguirius</emphasis>
species
</taxonomicName>
(Figs 
<figureCitation id="EBA561C019EDE6B40DC86FE1BA634A73" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Epigyne and vulva of Yunguirius terebratus A epigyne, ventral view B vulva, dorsal view. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; MP = mating plug; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SL = the secondary layer of copulatory duct; SS = spermathecal stalk. The white dashed line in A represents the margin of atrium and in B represents the spermathecal head. The black outline B shows the blind sac of the copulatory duct. The red dashed line and arrow in B indicate the opening of copulatory duct. The blue area indicates the copulatory duct, and the yellow area indicates the secondary layer of the copulatory duct. Scale bar: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure1" httpUri="https://binary.pensoft.net/fig/1126341">1 A</figureCitation>
, 
<figureCitation id="A9C5D78931892BD70EAE3AB9082A672A" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Epigyne of Yunguirius parvus sp. nov. A epigyne, ventral view B vulva, dorsal view. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SS = spermathecal stalk. The white dashed line B indicates the spermathecal head, the white outline B indicates the fertilization duct. Scale bar: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure2" httpUri="https://binary.pensoft.net/fig/1126342">2 A</figureCitation>
, 
<figureCitation id="A60ADFB64EB42C96AF7622C32992AA06" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Epigyne of Yunguirius xiannushanensis sp. nov. A epigyne, ventral view B vulva, dorsal view C vulva, apical view. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SL = the secondary layer of copulatory duct; SS = spermathecal stalk. Scale bars: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure8" httpUri="https://binary.pensoft.net/fig/1126348">8 A</figureCitation>
; figs 2 A, 4 A in 
<bibRefCitation id="89FC4F6FD765648A5077CB7D81B167DF" DOI="10.3897/arphapreprints.e100836" author="Li" etAl="et al." firstAuthor="Li" refId="B8" refString="Li B, Zhao Z, Okumura K, Meng K, Li SQ, Chen HF (2023) Yunguirius, a new genus of Coelotinae (Araneae, Agelenidae) spiders from southwest China. ARPHA Preprints. https://doi.org/10.3897/arphapreprints.e100836" year="2023">Li et al. 2023</bibRefCitation>
). However, 
<taxonomicName id="E2304EB9F8A6F4461B8C75AAD3F50AD4" authorityName="Wei &amp; Liu" authorityYear="2024" class="Arachnida" family="Agelenidae" genus="Yunguirius" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Araneae" phylum="Arthropoda" rank="species" species="trigonus" status="sp. nov.">
<emphasis id="E6D806DACC35C65D7345A96D33853083" italics="true">Y. trigonus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="686CCFA783D7E87BC709ABE0E061FD6D" rank="species">sp. nov.</taxonomicNameLabel>
can be distinguished from the latter by the following characteristics: 1) the presence of a pair of long and linear hoods (Fig. 
<figureCitation id="B7F4A2BC3727219834FC6456B503DD20" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epigyne of Yunguirius trigonus sp. nov. A epigyne, ventral view B vulva, dorsal view. Scale bars: 1.00 mm. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SS = spermathecal stalk. The white dashed line B indicates the spermathecal head, the white outline B indicates the fertilization duct. Scale bar: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure4" httpUri="https://binary.pensoft.net/fig/1126344">4 A</figureCitation>
), versus having a pair of triangular hoods in the latter (Fig. 
<figureCitation id="A1E2C9605360A3A75E022075457852B0" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Epigyne of Yunguirius wangqiqiae sp. nov. A epigyne, ventral view B vulva, dorsal view. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SL = the secondary layer of copulatory duct; SS = spermathecal stalk. Scale bar: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure6" httpUri="https://binary.pensoft.net/fig/1126346">6 A</figureCitation>
; fig. 245 A in 
<bibRefCitation id="148CB0DDFA01F8B2AD6A33A826CCB95A" author="Zhu" etAl="et al." firstAuthor="Zhu" journalOrPublisher="Science Press, Beijing" refId="B17" refString="Zhu MS, Wang XP, Zhang ZS (2017) Fauna Sinica: Invertebrata Vol. 59: Arachnida: Araneae: Agelenidae and Amaurobiidae. Science Press, Beijing, 727 pp." title="Fauna Sinica: Invertebrata Vol. 59: Arachnida: Araneae: Agelenidae and Amaurobiidae." year="2017">Zhu et al. 2017</bibRefCitation>
); 2) the short and slightly overlapping blind sacs of the copulatory ducts (Fig. 
<figureCitation id="46DE25CE9FE4C8959A9067C71406DB50" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epigyne of Yunguirius trigonus sp. nov. A epigyne, ventral view B vulva, dorsal view. Scale bars: 1.00 mm. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SS = spermathecal stalk. The white dashed line B indicates the spermathecal head, the white outline B indicates the fertilization duct. Scale bar: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure4" httpUri="https://binary.pensoft.net/fig/1126344">4 B</figureCitation>
), versus being long and obviously overlapped in the latter (Fig. 
<figureCitation id="B94A9E8C724FD86E0D9B59F7D25F95C1" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Epigyne of Yunguirius wangqiqiae sp. nov. A epigyne, ventral view B vulva, dorsal view. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SL = the secondary layer of copulatory duct; SS = spermathecal stalk. Scale bar: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure6" httpUri="https://binary.pensoft.net/fig/1126346">6 B</figureCitation>
; fig. 245 B in 
<bibRefCitation id="A32E2C5C93E92CB819029541D1721290" author="Zhu" etAl="et al." firstAuthor="Zhu" journalOrPublisher="Science Press, Beijing" refId="B17" refString="Zhu MS, Wang XP, Zhang ZS (2017) Fauna Sinica: Invertebrata Vol. 59: Arachnida: Araneae: Agelenidae and Amaurobiidae. Science Press, Beijing, 727 pp." title="Fauna Sinica: Invertebrata Vol. 59: Arachnida: Araneae: Agelenidae and Amaurobiidae." year="2017">Zhu et al. 2017</bibRefCitation>
); 3) the spermathecal stalks are relatively short and thick (Fig. 
<figureCitation id="4FB601D86607C351B6EDA3D6EBE93BFC" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epigyne of Yunguirius trigonus sp. nov. A epigyne, ventral view B vulva, dorsal view. Scale bars: 1.00 mm. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SS = spermathecal stalk. The white dashed line B indicates the spermathecal head, the white outline B indicates the fertilization duct. Scale bar: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure4" httpUri="https://binary.pensoft.net/fig/1126344">4 B</figureCitation>
), versus being reduced in 
<taxonomicName id="AC7EE83A1E0E064F6C66E5767F96E817" baseAuthorityName="Zhang, Zhu &amp; Wang" baseAuthorityYear="2017" class="Arachnida" family="Agelenidae" genus="Yunguirius" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Araneae" phylum="Arthropoda" rank="species" species="subterebratus">
<emphasis id="01A867C09282DF3422D26F8E7EA8637A" italics="true">Y. subterebratus</emphasis>
</taxonomicName>
(fig. 245 B in 
<bibRefCitation id="C2AA5F47E02B9604998955F2C56780FB" author="Zhu" etAl="et al." firstAuthor="Zhu" journalOrPublisher="Science Press, Beijing" refId="B17" refString="Zhu MS, Wang XP, Zhang ZS (2017) Fauna Sinica: Invertebrata Vol. 59: Arachnida: Araneae: Agelenidae and Amaurobiidae. Science Press, Beijing, 727 pp." title="Fauna Sinica: Invertebrata Vol. 59: Arachnida: Araneae: Agelenidae and Amaurobiidae." year="2017">Zhu et al. 2017</bibRefCitation>
) or being subequal to half the width of the atrium in 
<taxonomicName id="B1EEB94CE3DF5383A046AB648ADF8835" authority="Wei &amp; Liu" authorityName="Wei &amp; Liu" authorityYear="2024" class="Arachnida" family="Agelenidae" genus="Yunguirius" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Araneae" phylum="Arthropoda" rank="species" species="wangqiqiae" status="sp. nov.">
<emphasis id="E739E9A59216667DADE76922D82A2025" italics="true">Y. wangqiqiae</emphasis>
Wei &amp; Liu
</taxonomicName>
, 
<taxonomicNameLabel id="D9B7E138DA89521B79DDA2DC7FF43871" rank="species">sp. nov.</taxonomicNameLabel>
(Fig. 
<figureCitation id="CEEA2FE6526173E53133F9B5F39758DD" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Epigyne of Yunguirius wangqiqiae sp. nov. A epigyne, ventral view B vulva, dorsal view. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SL = the secondary layer of copulatory duct; SS = spermathecal stalk. Scale bar: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure6" httpUri="https://binary.pensoft.net/fig/1126346">6 B</figureCitation>
).
</paragraph>
<caption id="E7E6699F2727068022425181B64669C8" ID-DOI="10.3897/zookeys.1211.126487.figure4" ID-arpha="85CC22DF-2042-5BB0-B34B-ABDC1B9133A0" httpUri="https://binary.pensoft.net/fig/1126344" startId="F4">
<paragraph id="C66A9D5D210B5FD2D925625C6E4C674A">
<label id="16F5DA4721DF5E4EA21E705FFF062F18">Figure 4.</label>
</paragraph>
<paragraph id="7007FDE60CC44CFB0A75CC6D6B925CE4">
Epigyne of 
<taxonomicName id="07D0B0AEC66F345BAB1A2112DB8A3A18" authorityName="Wei &amp; Liu" authorityYear="2024" class="Arachnida" family="Agelenidae" genus="Yunguirius" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Araneae" phylum="Arthropoda" rank="species" species="trigonus" status="sp. nov.">
<emphasis id="8075F23D21B512D56E16F4E21C24151D" italics="true">Yunguirius trigonus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="35B273E3F93DA2F16B8D88EFCDFBAF48" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="EC5284D8103EE37D89ED80B40E734B90" bold="true">A</emphasis>
epigyne, ventral view 
<emphasis id="CC0F269ED9C1324574E2ED94E7D6026A" bold="true">B</emphasis>
vulva, dorsal view. Scale bars: 1.00 mm. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SS = spermathecal stalk. The white dashed line B indicates the spermathecal head, the white outline B indicates the fertilization duct. Scale bar: 0.50 mm.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0EZPAE" type="description">
<paragraph id="F0D73FE786ACDEB7546CCBDA4CC02CCF">
<heading id="7F6F4E19BBAA4CEDBF1BF21827C6E525" reason="title">Description.</heading>
</paragraph>
<paragraph id="7ED777AF1B6EA4E765DAF1625F43482C">
<emphasis id="7D6D386DE535BD3361103E367283AD4F" bold="true">Female</emphasis>
(
<typeStatus id="D3D1B1C5C47AA05858ADD0CCE34ED6D1" type="holotype">holotype</typeStatus>
) (Fig. 
<figureCitation id="F33F58C250FFBAB1744CBC25F3579451" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Characters of the female of Yunguirius trigonus sp. nov. A habitus, dorsal view B habitus, prolateral view C eye area, frontal view D eye area, dorsal view E cephalic rigion, lateral view. Scale bars: 2.00 mm (A, B); 0.50 mm (C, D); 0.25 mm (E)." figureDoi="10.3897/zookeys.1211.126487.figure5" httpUri="https://binary.pensoft.net/fig/1126345">5</figureCitation>
). Carapace reddish brown. Cervical and radial groove distinct. Cephalic region wide, moderately raised and wide, lateral margin with indistinct furrows. Chelicerae with 3 promarginal teeth and 2 retromarginal teeth, condyle red. Sternum longer than wide. Abdomen pale yellow, covered by hairs. Legs red. Total length 12.31. Carapace 5.83 long, 3.99 wide, cephalic region 3.49 wide. Abdomen 6.48 long, 3.68 wide. Eye size and interdistance: 
<abbrev id="ABBRID0EFQAE" xlink_title="anterior median eye">AME</abbrev>
0.18, 
<abbrev id="ABBRID0EJQAE" xlink_title="anterior lateral eye">ALE</abbrev>
0.27, 
<abbrev id="ABBRID0ENQAE" xlink_title="posterior median eye">PME</abbrev>
0.22, 
<abbrev id="ABBRID0ERQAE" xlink_title="posterior lateral eye">PLE</abbrev>
0.25; 
<abbrev id="ABBRID0EVQAE" xlink_title="distance between AME and AME">AME – AME</abbrev>
0.10, 
<abbrev id="ABBRID0EZQAE" xlink_title="distance between AME and ALE">AME – ALE</abbrev>
0.17, 
<abbrev id="ABBRID0E4QAE" xlink_title="distance between AME and PME">AME – PME</abbrev>
0.16, 
<abbrev id="ABBRID0EBRAE" xlink_title="distance between ALE and PLE">ALE – PLE</abbrev>
0.10, 
<abbrev id="ABBRID0EFRAE" xlink_title="distance between PME and PME">PME – PME</abbrev>
0.11, 
<abbrev id="ABBRID0EJRAE" xlink_title="posterior median eye">PME</abbrev>
– 
<abbrev id="ABBRID0ENRAE" xlink_title="posterior lateral eye">PLE</abbrev>
0.42. Leg measurements: Leg I 16.00 (2.12, 0.81, 3.97, 1.71, 3.39, 2.86, 1.57), leg II 14.71 (1.82, 0.82, 3.61, 1.66, 2.68, 2.74, 1.65), leg III 12.33 (1.55, 0.80, 2.99, 1.41, 1.94, 2.35, 1.45), leg IV 16.90 (1.87, 0.93, 4.13, 1.82, 3.41, 3.33, 1.61). Epigyne (Fig. 
<figureCitation id="420CC19D1E271FCB2B6312F755156774" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Epigyne of Yunguirius trigonus sp. nov. A epigyne, ventral view B vulva, dorsal view. Scale bars: 1.00 mm. Abbreviations: A = atrium; BS = blind sac; CD = copulatory duct; CO = copulatory opening; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; SB = spermathecal base; SH = spermathecal head; SS = spermathecal stalk. The white dashed line B indicates the spermathecal head, the white outline B indicates the fertilization duct. Scale bar: 0.50 mm." figureDoi="10.3897/zookeys.1211.126487.figure4" httpUri="https://binary.pensoft.net/fig/1126344">4</figureCitation>
). Epigynal teeth absent. Atrium centrally situated, trapezoidal, anterior margin incomplete, posterior margin short. Epigynal sclerite longer than wide. Hoods long, vertically oriented, situated laterally. Fold absent. Copulatory ducts broad, laterally originated, blind sacs short, distal tips slightly overlapped. Spermathecal bases normal, spermathecal stalks extended laterally, with distal tips conch-shaped, spermathecal heads reduced and membranous, distal tips visible. Fertilization ducts posteriorly situated.
</paragraph>
<caption id="A3AA58E09A3E5830FADEDDF88C6723B2" ID-DOI="10.3897/zookeys.1211.126487.figure5" ID-arpha="0530A635-A108-5965-8B2F-57E2A9357D55" httpUri="https://binary.pensoft.net/fig/1126345" startId="F5">
<paragraph id="C828590F5FD0005114E3DAFBE6281C2D">
<label id="1A3B507ABABFB910DDDECBE676BAE642">Figure 5.</label>
</paragraph>
<paragraph id="23A09AD102A2865BDF2A1FF40E01DE0B">
Characters of the female of 
<taxonomicName id="2C447A7681EAA8A47AFAABD6380A3120" authorityName="Wei &amp; Liu" authorityYear="2024" class="Arachnida" family="Agelenidae" genus="Yunguirius" higherTaxonomySource="CoL,GBIF" kingdom="Animalia" order="Araneae" phylum="Arthropoda" rank="species" species="trigonus" status="sp. nov.">
<emphasis id="8FD50F065AAC08CE2E6D21288901B46C" italics="true">Yunguirius trigonus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="07597968CDC7F3F2FE5876E04998E994" rank="species">sp. nov.</taxonomicNameLabel>
<emphasis id="D5386919D7D75AEC54A453A6F66AF0F1" bold="true">A</emphasis>
habitus, dorsal view 
<emphasis id="5FAD82D14BF8FFA5A316D48F21FC67DA" bold="true">B</emphasis>
habitus, prolateral view 
<emphasis id="FD6594A7276CB4EEB1B076F4FF4DC56C" bold="true">C</emphasis>
eye area, frontal view 
<emphasis id="473B878A009052455DB637DB43F86559" bold="true">D</emphasis>
eye area, dorsal view 
<emphasis id="4CF21095D34EEA6A15E02866228ECCB7" bold="true">E</emphasis>
cephalic rigion, lateral view. Scale bars: 2.00 mm (
<emphasis id="B185306924BD7DD5EEF725398B3753E4" bold="true">A, B</emphasis>
); 0.50 mm (
<emphasis id="F76754E2324F6E727BE5AE340C138365" bold="true">C, D</emphasis>
); 0.25 mm (
<emphasis id="407B20A665AB543AF5B9AC07B0CB9AA8" bold="true">E</emphasis>
).
</paragraph>
</caption>
<paragraph id="2EABC7C8846F03D1779D82B933FA1307">
<emphasis id="F8AF23C6D76FA46FB3CED68B77E1D07D" bold="true">Male.</emphasis>
Unknown.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EBTAE" type="distribution">
<paragraph id="937602696015F3930F2DE6A05ABCB686">
<heading id="9BD28F563CAB1545EC2AE9CF4501BF21" reason="title">Distribution.</heading>
</paragraph>
<paragraph id="6D11FBEE35ADACFD76E808FE170C842B">
<collectingCountry id="8E19EC50639314AEDC0C65F6C6D69D5A" name="China">China</collectingCountry>
(
<collectingRegion id="77E3C601CAEE20750C1296062CDAB47A" country="China" name="Chongqing">Chongqing</collectingRegion>
).
</paragraph>
</subSubSection>
</treatment>
</document>