<documentID-DOI="http://dx.doi.org/10.3897/zookeys.1159.100786"ID-GBIF-Dataset="fe2fce17-7901-4fa0-9e28-b560d3cf6be3"ID-PMC="PMC10193277"ID-Pensoft-Pub="1313-2970-1159-51"ID-Pensoft-UUID="50B1E98B0A3D5A3CAA77A799341023E9"ID-PubMed="37213531"ID-ZooBank="C2BD6C63A9D24C3E81893F9E3001AC64"ModsDocID="1313-2970-1159-51"checkinTime="1682458959057"checkinUser="pensoft"docAuthor="Li, Bing, Zhao, Zhe, Okumura, Ken-ichi, Meng, Kaibayier, Li, Shuqiang & Chen, Haifeng"docDate="2023"docId="667C78D39CCA5265A89C7EBE87AA51F4"docLanguage="en"docName="ZooKeys 1159: 51-67"docOrigin="ZooKeys 1159"docPubDate="2023-04-25"docSource="http://dx.doi.org/10.3897/zookeys.1159.100786"docTitle="Yunguirius B. Li, Zhao & S. Li 2023, gen. nov."docType="treatment"docUuid="95909E7E-61FF-4CCC-9747-900F0304B3BF"docUuidSource="ZooBank"docVersion="4"id="50B1E98B0A3D5A3CAA77A799341023E9"lastPageNumber="51"masterDocId="50B1E98B0A3D5A3CAA77A799341023E9"masterDocTitle="Yunguirius gen. nov., a new genus of Coelotinae (Araneae, Agelenidae) spiders from southwest China"masterLastPageNumber="67"masterPageNumber="51"pageNumber="51"updateTime="1732489407731"updateUser="ExternalLinkService">
<mods:titleid="537A2AE50D7982D223EF09CCFEADC588">Yunguirius gen. nov., a new genus of Coelotinae (Araneae, Agelenidae) spiders from southwest China</mods:title>
<mods:affiliationid="507EF5BF8261C18FE801389D9B6C36DC">College of Life Sciences, Langfang Normal University, Langfang, Hebei 065000, China</mods:affiliation>
<mods:affiliationid="10CE1874774A485A8FC95551B82FA40A">Department of Zoology, National Museum of Nature and Science, 4 - 1 - 1 Amakubo, Tsukuba, Ibaraki 305 - 0005, Japan</mods:affiliation>
<mods:affiliationid="6C517D329B5312F92E80664EF6B183C2">College of Life Sciences, Langfang Normal University, Langfang, Hebei 065000, China</mods:affiliation>
<taxonomicNameid="15399A18D0AE450994306DE3951B633F"ID-CoL="C8MB5"ID-ENA="3049725"LSID="https://zoobank.org/95909E7E-61FF-4CCC-9747-900F0304B3BF"authority="B. Li, Zhao & S. Li"authorityName="B. Li, Zhao & S. Li"authorityYear="2023"class="Arachnida"family="Agelenidae"genus="Yunguirius"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Yunguirius"order="Araneae"pageId="0"pageNumber="51"phylum="Arthropoda"rank="genus"status="gen. nov.">Yunguirius B. Li, Zhao & S. Li</taxonomicName>
<taxonomicNameid="9F0D6F732048C0A83E7D59595728036C"authorityName="Li & Zhao & Okumura & Meng & Li & Chen"authorityYear="2023"baseAuthorityName="Li & Zhao & Okumura & Meng & Li & Chen"baseAuthorityYear="2023"class="Arachnida"family="Agelenidae"genus="Coelotes"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Coelotes ornatus"order="Araneae"pageId="0"pageNumber="51"phylum="Arthropoda"rank="species"species="ornatus">
<taxonomicNameid="879AF8FF624C09A3C91058010A774DF2"authorityName="Z.Zhao & S.Q.Li"authorityYear="2018"class="Arachnida"family="Agelenidae"genus="Sinodraconarius"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Sinodraconarius"order="Araneae"pageId="0"pageNumber="51"phylum="Arthropoda"rank="genus">
<taxonomicNameid="1A640B1ABFA5B62971C25A9CD463F7DC"authorityName="B. Li, Zhao & S. Li"authorityYear="2023"class="Arachnida"family="Agelenidae"genus="Yunguirius"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Yunguirius"order="Araneae"pageId="0"pageNumber="51"phylum="Arthropoda"rank="genus">
<taxonomicNameid="6EA692B51D308DC9534C38962EBE0F77"authorityName="Z.Zhao & S.Q.Li"authorityYear="2018"class="Arachnida"family="Agelenidae"genus="Sinodraconarius"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Sinodraconarius"order="Araneae"pageId="0"pageNumber="51"phylum="Arthropoda"rank="genus">
<bibRefCitationid="F3006D24DC24433D705E8E1554354AE2"author="Zhang, Z"journalOrPublisher="Journal of Yunnan Normal University"pageId="0"pageNumber="51"pagination="47 - 49"refId="B31"refString="Zhang, Z, 1993. Description of the male spider Coelotes ornatus Wang et al. (Araneae: Agelenidae). Journal of Yunnan Normal University 13 (2): 47 - 49"title="Description of the male spider Coelotes ornatus Wang et al. (Araneae: Agelenidae)."volume="13"year="1993">Zhang 1993</bibRefCitation>
<bibRefCitationid="F039015F34B3A57635C87CBA6FACE392"author="Peng, X"journalOrPublisher="Bulletin - British Arachnological Society"pageId="0"pageNumber="51"pagination="327 - 333"refId="B19"refString="Peng, X, Wang, J, 1997. Seven new species of the genus Coelotes (Araneae: Agelenidae) from China. Bulletin - British Arachnological Society 10: 327 - 333"title="Seven new species of the genus Coelotes (Araneae: Agelenidae) from China."volume="10"year="1997">Peng and Wang 1997</bibRefCitation>
<bibRefCitationid="D41C8C99C932750D139FFC9A54C82924"author="Zhang, Z"journalOrPublisher="Journal of Yunnan Normal University"pageId="0"pageNumber="51"pagination="47 - 49"refId="B31"refString="Zhang, Z, 1993. Description of the male spider Coelotes ornatus Wang et al. (Araneae: Agelenidae). Journal of Yunnan Normal University 13 (2): 47 - 49"title="Description of the male spider Coelotes ornatus Wang et al. (Araneae: Agelenidae)."volume="13"year="1993">Zhang 1993</bibRefCitation>
<bibRefCitationid="87CA98A743E748B2B63287021D5A8FBB"author="Peng, X"journalOrPublisher="Bulletin - British Arachnological Society"pageId="0"pageNumber="51"pagination="327 - 333"refId="B19"refString="Peng, X, Wang, J, 1997. Seven new species of the genus Coelotes (Araneae: Agelenidae) from China. Bulletin - British Arachnological Society 10: 327 - 333"title="Seven new species of the genus Coelotes (Araneae: Agelenidae) from China."volume="10"year="1997">Peng and Wang 1997</bibRefCitation>
<figureCitationid="B1F78DC5F55C52E4924A35CF939BD65A"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Epigyne and female habitus of Yunguirius duoge sp. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure2"httpUri="https://binary.pensoft.net/fig/842424"pageId="0"pageNumber="51">2A</figureCitation>
<figureCitationid="DBE053795BD05A2F727CD96998B6BD16"captionStart="Figure 3"captionStartId="F3"captionText="Figure 3. Epigyne and female habitus of Yunguirius ornatus comb. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; MS = median septum; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure3"httpUri="https://binary.pensoft.net/fig/842425"pageId="0"pageNumber="51">3A</figureCitation>
<figureCitationid="44DA6D3B9D2F2D14697A574145600F57"captionStart="Figure 4"captionStartId="F4"captionText="Figure 4. Epigyne and female habitus of Yunguirius xiangding sp. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure4"httpUri="https://binary.pensoft.net/fig/842426"pageId="0"pageNumber="51">4A</figureCitation>
). However, it can be distinguished from these genera by habitus, and detailed structures of male palp and epigyne as follows: 1) carapace tonneau-shaped, first half wide, and abdomen beloid (Figs
<figureCitationid="C8F4900046F6B8902A50BE2495A5664B"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Epigyne and female habitus of Yunguirius duoge sp. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure2"httpUri="https://binary.pensoft.net/fig/842424"pageId="0"pageNumber="51">2C</figureCitation>
<figureCitationid="A24B7015DCD8146C1EE423E4BA38B7CD"captionStart="Figure 3"captionStartId="F3"captionText="Figure 3. Epigyne and female habitus of Yunguirius ornatus comb. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; MS = median septum; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure3"httpUri="https://binary.pensoft.net/fig/842425"pageId="0"pageNumber="51">3C</figureCitation>
<figureCitationid="580050E05C054CCB944D8E0C5AE23E69"captionStart="Figure 4"captionStartId="F4"captionText="Figure 4. Epigyne and female habitus of Yunguirius xiangding sp. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure4"httpUri="https://binary.pensoft.net/fig/842426"pageId="0"pageNumber="51">4C</figureCitation>
<bibRefCitationid="E0F5B272DE576CA5FBB8DDB62EF28732"author="Zhang, Z"journalOrPublisher="Journal of Yunnan Normal University"pageId="0"pageNumber="51"pagination="47 - 49"refId="B31"refString="Zhang, Z, 1993. Description of the male spider Coelotes ornatus Wang et al. (Araneae: Agelenidae). Journal of Yunnan Normal University 13 (2): 47 - 49"title="Description of the male spider Coelotes ornatus Wang et al. (Araneae: Agelenidae)."volume="13"year="1993">Zhang 1993</bibRefCitation>
<figureCitationid="C07C9CE22EBC1A3C96C91087A2980573"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Epigyne and female habitus of Yunguirius duoge sp. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure2"httpUri="https://binary.pensoft.net/fig/842424"pageId="0"pageNumber="51">2A</figureCitation>
<figureCitationid="1C6282FA6178A05C4D1CA61950C2A000"captionStart="Figure 3"captionStartId="F3"captionText="Figure 3. Epigyne and female habitus of Yunguirius ornatus comb. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; MS = median septum; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure3"httpUri="https://binary.pensoft.net/fig/842425"pageId="0"pageNumber="51">3A</figureCitation>
<figureCitationid="3A51C1AD277D34E662D9DEE36D535065"captionStart="Figure 4"captionStartId="F4"captionText="Figure 4. Epigyne and female habitus of Yunguirius xiangding sp. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure4"httpUri="https://binary.pensoft.net/fig/842426"pageId="0"pageNumber="51">4A</figureCitation>
<figureCitationid="16B4724CCDB3156E68803718FE10EF0C"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Epigyne and female habitus of Yunguirius duoge sp. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure2"httpUri="https://binary.pensoft.net/fig/842424"pageId="0"pageNumber="51">2A</figureCitation>
<figureCitationid="206EE30298E66775B622A22595A062FB"captionStart="Figure 3"captionStartId="F3"captionText="Figure 3. Epigyne and female habitus of Yunguirius ornatus comb. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; MS = median septum; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure3"httpUri="https://binary.pensoft.net/fig/842425"pageId="0"pageNumber="51">3A</figureCitation>
<figureCitationid="13B7AEC40B9845F0CB800958E6AE44D4"captionStart="Figure 4"captionStartId="F4"captionText="Figure 4. Epigyne and female habitus of Yunguirius xiangding sp. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure4"httpUri="https://binary.pensoft.net/fig/842426"pageId="0"pageNumber="51">4A</figureCitation>
<figureCitationid="2F0F230F228E664F0011EEAB20DCD742"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Epigyne and female habitus of Yunguirius duoge sp. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure2"httpUri="https://binary.pensoft.net/fig/842424"pageId="0"pageNumber="51">2B</figureCitation>
<figureCitationid="1DB61BB12A8B1EF8EAF67BFC27968BE5"captionStart="Figure 3"captionStartId="F3"captionText="Figure 3. Epigyne and female habitus of Yunguirius ornatus comb. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; MS = median septum; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure3"httpUri="https://binary.pensoft.net/fig/842425"pageId="0"pageNumber="51">3B</figureCitation>
<figureCitationid="36579EF0E6F1256122304D2CDC255C1E"captionStart="Figure 4"captionStartId="F4"captionText="Figure 4. Epigyne and female habitus of Yunguirius xiangding sp. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure4"httpUri="https://binary.pensoft.net/fig/842426"pageId="0"pageNumber="51">4B</figureCitation>
<figureCitationid="17C3AEB43E502E44CF94D1EAC5A01538"captionStart="Figure 2"captionStartId="F2"captionText="Figure 2. Epigyne and female habitus of Yunguirius duoge sp. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure2"httpUri="https://binary.pensoft.net/fig/842424"pageId="0"pageNumber="51">2B</figureCitation>
<figureCitationid="40F3F594870EB699214F3A335A8957CE"captionStart="Figure 3"captionStartId="F3"captionText="Figure 3. Epigyne and female habitus of Yunguirius ornatus comb. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; MS = median septum; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure3"httpUri="https://binary.pensoft.net/fig/842425"pageId="0"pageNumber="51">3B</figureCitation>
<figureCitationid="FCB330F0DBA1A04FCB067EBA113D727E"captionStart="Figure 4"captionStartId="F4"captionText="Figure 4. Epigyne and female habitus of Yunguirius xiangding sp. nov. A epigyne, ventral B vulva, dorsal C female habitus, dorsal D same, ventral E same, lateral. Scale bar equal for C-E. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk."figureDoi="10.3897/zookeys.1159.100786.figure4"httpUri="https://binary.pensoft.net/fig/842426"pageId="0"pageNumber="51">4B</figureCitation>
<taxonomicNameid="96ED2B385C847EFB6F1AC4A1435D4EBD"authorityName="B. Li, Zhao & S. Li"authorityYear="2023"class="Arachnida"family="Agelenidae"genus="Yunguirius"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Yunguirius duoge"order="Araneae"pageId="0"pageNumber="51"phylum="Arthropoda"rank="species"species="duoge">
. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk.
<taxonomicNameid="F61998B3758F3C63EB8EF991A6F912C6"authorityName="Li & Zhao & Okumura & Meng & Li & Chen"authorityYear="2023"baseAuthorityName="Wang, Yin, Peng & Xie"baseAuthorityYear="1990"class="Arachnida"family="Agelenidae"genus="Yunguirius"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Yunguirius ornatus"order="Araneae"pageId="0"pageNumber="51"phylum="Arthropoda"rank="species"species="ornatus">
. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; MS = median septum; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk.
<taxonomicNameid="03EBC98ED4BAC17D11A7B16C5B374CA8"authorityName="B. Li, Zhao & S. Li"authorityYear="2023"class="Arachnida"family="Agelenidae"genus="Yunguirius"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Yunguirius xiangding"order="Araneae"pageId="0"pageNumber="51"phylum="Arthropoda"rank="species"species="xiangding">
. Abbreviations: A = atrium; CD = copulatory duct; CO = copulatory opening; F = fold; FD = fertilization duct; H = hood; PES = posterior epigynal sclerite; S = spermatheca; SB = spermathecal base; SH = spermathecal head; St = stalk.
<taxonomicNameid="46A1A737950CEFC6BFC0CB8B636F6B9C"authorityName="B. Li, Zhao & S. Li"authorityYear="2023"class="Arachnida"family="Agelenidae"genus="Yunguirius"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Yunguirius"order="Araneae"pageId="0"pageNumber="51"phylum="Arthropoda"rank="genus">
Small to very large spiders, body length 6.00 to 21.80. Carapace brown to black, tonneau-shaped, longer than or as long as abdomen, with longitudinal fovea and dark radial grooves; chelicerae black, with three promarginal and two retromarginal teeth; endites and labium brown to dark brown, anterior white with black hairs; sternum brownish to brown, longer than wide. Abdomen yellowish-brown, nearly oval, posterior widest, with four to six darker chevrons or speckles, or without any pattern. Leg formula 4> 1> 2> 3 or 1> 4> 2> 3. Male palp: patellar apophysis finger-shaped, retrolateral tibial apophysis large, lateral tibial apophysis small, median apophysis spoon-shaped; conductor large, with two branches; embolus thick, beginning at a 7
position, embolic base swollen; cymbial furrow short, with the length less than half of cymbium. Epigyne: posterior epigynal sclerite varying in shape; atrium very large, wide to narrow, with osteosclerotic lateral margin, inside white osteon, outside with brownish or brown markings and brown or darker folds; copulatory duct membranous, arising posteriorly, extending to anterior, opening anteriorly; spermatheca brown, spermathecal base swollen, spermathecal head long and line-shaped, extending anteriorly, opposite end swollen, lamellar or connected with a stalk.
<figureCitationid="4489D0EB3F99D6DE633F09E14AE2D14E"captionStart="Figure 5"captionStartId="F5"captionText="Figure 5. Distribution records of species of Yunguirius gen. nov. in China 1 Y. duoge sp. nov. 2 Y. ornatus 3 Y. subterebratus 4 Y. terebratus 5 Y. xiangding sp. nov."figureDoi="10.3897/zookeys.1159.100786.figure5"httpUri="https://binary.pensoft.net/fig/842427"pageId="0"pageNumber="51">5</figureCitation>
