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<document ID-CLB-Dataset="53551" ID-DOI="http://dx.doi.org/10.3897/zookeys.1165.101946" ID-GBIF-Dataset="c6756e71-04e3-4bf7-a6dd-0acc335e21ae" ID-PMC="PMC10245288" ID-Pensoft-Pub="1313-2970-1165-43" ID-Pensoft-UUID="A6CF856B427B595A8A99DB7E9EE23077" ID-PubMed="37292580" ID-ZooBank="911201F983674E69992887A6CCC13164" ModsDocID="1313-2970-1165-43" checkinTime="1685546452187" checkinUser="pensoft" docAuthor="Zhao, Zhe, Li, Bing, Zhang, Xiaoqing, Ballarin, Francesco, Pham, Dinh-Sac &amp; Li, Shuqiang" docDate="2023" docId="E1E650EB88C35415A694B9E6D280D05D" docLanguage="en" docName="ZooKeys 1165: 43-60" docOrigin="ZooKeys 1165" docPubDate="2023-05-30" docSource="http://dx.doi.org/10.3897/zookeys.1165.101946" docTitle="Baiyuerius pindong Zhao, B. Li &amp; S. Li 2023, sp. nov." docType="treatment" docUuid="8F9E7DC6-91B2-49B6-A0B2-DE7657E52179" docUuidSource="ZooBank" docVersion="4" id="A6CF856B427B595A8A99DB7E9EE23077" lastPageNumber="43" masterDocId="A6CF856B427B595A8A99DB7E9EE23077" masterDocTitle="Baiyuerius gen. nov., a new genus of Coelotinae (Araneae, Agelenidae) spiders from China and Vietnam" masterLastPageNumber="60" masterPageNumber="43" pageNumber="43" updateTime="1732799083187" updateUser="ExternalLinkService">
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<mods:title id="65930FFA81D071623F9928FF3C4D8C1C">Baiyuerius gen. nov., a new genus of Coelotinae (Araneae, Agelenidae) spiders from China and Vietnam</mods:title>
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<mods:namePart id="C20609E73B9CBAF9D3D1D985D0B3A661">Zhao, Zhe</mods:namePart>
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<mods:namePart id="F1BA79358F11D0125332F0BE1B28569F">Li, Bing</mods:namePart>
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<mods:affiliation id="21C58802831047E20E66D87EBE358C13">College of Life Sciences, Langfang Normal University, Langfang, Hebei 065000, China</mods:affiliation>
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<mods:namePart id="20BCA96C9717801F4ECD2187691CB8BA">Zhang, Xiaoqing</mods:namePart>
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<mods:affiliation id="F57F281E98856C47A1591E68FB9FBDA1">Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China</mods:affiliation>
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<mods:namePart id="8369D39F0FD0C1BBF244C3AFD7A18F1E">Ballarin, Francesco</mods:namePart>
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<mods:affiliation id="03FAD4AF27C31BE0C21CDCA22679A93E">Systematic Zoology Laboratory, Department of Biological Sciences, Graduate School of Science, Tokyo Metropolitan University, 1 - 1 Minami Osawa, Hachioji-shi, Tokyo, 192 - 0397, Japan &amp; Department of Zoology, Museo di Storia Naturale of Verona, Lungadige Porta Vittoria, 9, I- 37129 Verona, Italy</mods:affiliation>
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<mods:namePart id="3108865907F408EEF331D96E5354E719">Pham, Dinh-Sac</mods:namePart>
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<mods:affiliation id="4BBBF90868409AFCB6A0D92B61D441AD">Vietnam National Museum of Nature (VNMN), Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam</mods:affiliation>
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<mods:namePart id="C1DC8A6D266C9244D8D737D845C43B66">Li, Shuqiang</mods:namePart>
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<mods:affiliation id="C68C77A251847BE51330E3E770586621">Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China</mods:affiliation>
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<treatment id="E1E650EB88C35415A694B9E6D280D05D" ID-GBIF-Taxon="209664159" LSID="urn:lsid:zoobank.org:act:8F9E7DC6-91B2-49B6-A0B2-DE7657E52179" httpUri="http://treatment.plazi.org/id/E1E650EB88C35415A694B9E6D280D05D" lastPageNumber="43" pageId="0" pageNumber="43" scope_family="Agelenidae" scope_order="Araneae">
<subSubSection id="CA5FA19518646A878A2254F4AC2D95C3" pageId="0" pageNumber="43" type="nomenclature">
<paragraph id="D8A60AD4769417837F911087D2D3F0EE" pageId="0" pageNumber="43">
<taxonomicName id="73CB2E4913FDFA9D7C3171430FF4B164" LSID="https://zoobank.org/8F9E7DC6-91B2-49B6-A0B2-DE7657E52179" authority="Zhao, B. Li &amp; S. Li" authorityName="Zhao, B. Li &amp; S. Li" authorityYear="2023" class="Arachnida" family="Agelenidae" genus="Baiyuerius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Baiyuerius pindong" order="Araneae" pageId="0" pageNumber="43" phylum="Arthropoda" rank="species" species="pindong" status="sp. nov.">Baiyuerius pindong Zhao, B. Li &amp; S. Li</taxonomicName>
<taxonomicNameLabel id="72476B584B7A863BBDBF7644C1B03DFA" pageId="0" pageNumber="43">sp. nov.</taxonomicNameLabel>
</paragraph>
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<subSubSection id="F7A6AD5A3A32387B24C48380A590EBBE" pageId="0" pageNumber="43" type="description">
<paragraph id="EC58287A9F85F5E934D4FC1BEB31C3FC" pageId="0" pageNumber="43">
<figureCitation id="F2EB6F0F0DC01E596F923610AF052CCF" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Left male palp of Baiyuerius pindong sp. nov. A prolateral view B ventral view C retrolateral view (red arrows = hypophyses of cymbium). Scale bar equal for A-C. Abbreviations: C = conductor; CDA = dorsal apophysis of conductor; CF = cymbial furrow; E = embolus; EB = embolic base; LTA = lateral tibial apophysis; MA = median apophysis; PA = patellar apophysis; RTA = retrolateral tibial apophysis; ST = subtegulum; T = tegulum." figureDoi="10.3897/zookeys.1165.101946.figure3" httpUri="https://binary.pensoft.net/fig/856268" pageId="0" pageNumber="43">Figs 3</figureCitation>
<figureCitation id="A6CDA6C8651562D9D4AED2A576DA23EA" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Localities of Baiyuerius species in China and Vietnam 1 B. daxi sp. nov. 2 B. pindong sp. nov. 3 B. tamdao sp. nov. 4 B. zhuping sp. nov. 5 B. zuojiang sp. nov." figureDoi="10.3897/zookeys.1165.101946.figure8" httpUri="https://binary.pensoft.net/fig/856273" pageId="0" pageNumber="43">, 8</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="91E7395C60F71A35EAB034DAD1E43FEF" pageId="0" pageNumber="43" type="type material">
<paragraph id="111963EBC8E28494D1D67C9684C814BB" pageId="0" pageNumber="43">Type material.</paragraph>
<paragraph id="D8EF7F145F8EFFFF6A979270B13A8AAC" pageId="0" pageNumber="43">
<emphasis id="7FF033959F63E9C64026D1C037204C93" bold="true" italics="true" pageId="0" pageNumber="43">Holotype</emphasis>
♂ (IZCAS-Ar44392) (LB172): China: Guangdong Province: Qingyuan City: Yangshan County, Shuikou Ancient Town, Pindong Village,
<geoCoordinate id="D1E172E4A4900CDE8E98DA6C90B26F6D" degrees="24.3987" direction="north" orientation="latitude" precision="5" value="24.3987">24.3987°N</geoCoordinate>
,
<geoCoordinate id="49DED1BC3927A64B0D773FDF5E51C6E4" degrees="112.7433" direction="east" orientation="longitude" precision="5" value="112.7433">112.7433°E</geoCoordinate>
, elevation: 553 m, 8.I.2019, Z. Zhao and Z. Chen leg.
</paragraph>
</subSubSection>
<subSubSection id="9FE793ED0690D75BB6A7601D5CFAEDE2" pageId="0" pageNumber="43" type="etymology">
<paragraph id="54B7DC0ED6F3660A50546A63E2CB732A" pageId="0" pageNumber="43">Etymology.</paragraph>
<paragraph id="F4A4D9B135F493F67988209162A0A466" pageId="0" pageNumber="43">The new species is named after the type locality, the Pindong Village; noun in apposition.</paragraph>
</subSubSection>
<subSubSection id="142E404B83C90CF7A608DACE65F40FB8" pageId="0" pageNumber="43" type="diagnosis">
<paragraph id="BC878203D30913F114F153D439BD0277" pageId="0" pageNumber="43">Diagnosis.</paragraph>
<paragraph id="7180A7434BAC890387E1A657825C869C" pageId="0" pageNumber="43">
<taxonomicName id="8199C38F14F36DCF11CA357EBF923852" authorityName="Zhao, B. Li &amp; S. Li" authorityYear="2023" class="Arachnida" family="Agelenidae" genus="Baiyuerius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Baiyuerius pindong" order="Araneae" pageId="0" pageNumber="43" phylum="Arthropoda" rank="species" species="pindong">
<emphasis id="B929E654C985204A290ECE55FE318861" italics="true" pageId="0" pageNumber="43">Baiyuerius pindong</emphasis>
</taxonomicName>
sp. nov. can be distinguished from the other congeners of this new genus as follows: 1) cymbial furrow less than 1/2 the length of cymbium (Fig.
<figureCitation id="F1B62C9BCAE713C24364EA3F27FCA6F1" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Left male palp of Baiyuerius pindong sp. nov. A prolateral view B ventral view C retrolateral view (red arrows = hypophyses of cymbium). Scale bar equal for A-C. Abbreviations: C = conductor; CDA = dorsal apophysis of conductor; CF = cymbial furrow; E = embolus; EB = embolic base; LTA = lateral tibial apophysis; MA = median apophysis; PA = patellar apophysis; RTA = retrolateral tibial apophysis; ST = subtegulum; T = tegulum." figureDoi="10.3897/zookeys.1165.101946.figure3" httpUri="https://binary.pensoft.net/fig/856268" pageId="0" pageNumber="43">3C</figureCitation>
) vs. more than 1/2 in others (Figs
<figureCitation id="E8BBC9BD874663D1FEA8C5C0F66E0C64" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Left male palp of Baiyuerius zhuping sp. nov. A prolateral view B ventral view C retrolateral view (red arrow = hypophysis of cymbium). Scale bar equal for A-C. Abbreviations: C = conductor; CDA = dorsal apophysis of conductor; CF = cymbial furrow; E = embolus; EB = embolic base; LTA = lateral tibial apophysis; MA = median apophysis; PA = patellar apophysis; RTA = retrolateral tibial apophysis; ST = subtegulum; T = tegulum." figureDoi="10.3897/zookeys.1165.101946.figure5" httpUri="https://binary.pensoft.net/fig/856270" pageId="0" pageNumber="43">5C</figureCitation>
,
<figureCitation id="B4B0D37FE8CC11F06289F7A4D1B4949C" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Left male palp of Baiyuerius zuojiang sp. nov. A prolateral view B ventral view C retrolateral view (red arrow: hypophysis of cymbium). Scale bar equal for A-C. Abbreviations: C = conductor; CDA = dorsal apophysis of conductor; CF = cymbial furrow; E = embolus; EB = embolic base; LTA = lateral tibial apophysis; MA = median apophysis; PA = patellar apophysis; RTA = retrolateral tibial apophysis; ST = subtegulum; T = tegulum." figureDoi="10.3897/zookeys.1165.101946.figure6" httpUri="https://binary.pensoft.net/fig/856271" pageId="0" pageNumber="43">6C</figureCitation>
); 2) cymbial base with two hypophyses (Fig.
<figureCitation id="04A1CE16C1CB3BDDFB3915626DFC9CE2" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Left male palp of Baiyuerius pindong sp. nov. A prolateral view B ventral view C retrolateral view (red arrows = hypophyses of cymbium). Scale bar equal for A-C. Abbreviations: C = conductor; CDA = dorsal apophysis of conductor; CF = cymbial furrow; E = embolus; EB = embolic base; LTA = lateral tibial apophysis; MA = median apophysis; PA = patellar apophysis; RTA = retrolateral tibial apophysis; ST = subtegulum; T = tegulum." figureDoi="10.3897/zookeys.1165.101946.figure3" httpUri="https://binary.pensoft.net/fig/856268" pageId="0" pageNumber="43">3C</figureCitation>
) vs. only one in others (Figs
<figureCitation id="E629FD28F4DFDC429734030F8CF3F2CF" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Left male palp of Baiyuerius zhuping sp. nov. A prolateral view B ventral view C retrolateral view (red arrow = hypophysis of cymbium). Scale bar equal for A-C. Abbreviations: C = conductor; CDA = dorsal apophysis of conductor; CF = cymbial furrow; E = embolus; EB = embolic base; LTA = lateral tibial apophysis; MA = median apophysis; PA = patellar apophysis; RTA = retrolateral tibial apophysis; ST = subtegulum; T = tegulum." figureDoi="10.3897/zookeys.1165.101946.figure5" httpUri="https://binary.pensoft.net/fig/856270" pageId="0" pageNumber="43">5C</figureCitation>
,
<figureCitation id="6A703211D0D3CB95F80D7038113A77F1" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Left male palp of Baiyuerius zuojiang sp. nov. A prolateral view B ventral view C retrolateral view (red arrow: hypophysis of cymbium). Scale bar equal for A-C. Abbreviations: C = conductor; CDA = dorsal apophysis of conductor; CF = cymbial furrow; E = embolus; EB = embolic base; LTA = lateral tibial apophysis; MA = median apophysis; PA = patellar apophysis; RTA = retrolateral tibial apophysis; ST = subtegulum; T = tegulum." figureDoi="10.3897/zookeys.1165.101946.figure6" httpUri="https://binary.pensoft.net/fig/856271" pageId="0" pageNumber="43">6C</figureCitation>
); and 3) lateral tibial apophysis concave and large, wider than long (Fig.
<figureCitation id="608FF5CE44CE2FC74D0F0A8556834C2F" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Left male palp of Baiyuerius pindong sp. nov. A prolateral view B ventral view C retrolateral view (red arrows = hypophyses of cymbium). Scale bar equal for A-C. Abbreviations: C = conductor; CDA = dorsal apophysis of conductor; CF = cymbial furrow; E = embolus; EB = embolic base; LTA = lateral tibial apophysis; MA = median apophysis; PA = patellar apophysis; RTA = retrolateral tibial apophysis; ST = subtegulum; T = tegulum." figureDoi="10.3897/zookeys.1165.101946.figure3" httpUri="https://binary.pensoft.net/fig/856268" pageId="0" pageNumber="43">3C</figureCitation>
) vs. finger-like, longer than wide in others (Figs
<figureCitation id="C45927A3921303E6D3CEC5D945B85F9D" captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Left male palp of Baiyuerius zhuping sp. nov. A prolateral view B ventral view C retrolateral view (red arrow = hypophysis of cymbium). Scale bar equal for A-C. Abbreviations: C = conductor; CDA = dorsal apophysis of conductor; CF = cymbial furrow; E = embolus; EB = embolic base; LTA = lateral tibial apophysis; MA = median apophysis; PA = patellar apophysis; RTA = retrolateral tibial apophysis; ST = subtegulum; T = tegulum." figureDoi="10.3897/zookeys.1165.101946.figure5" httpUri="https://binary.pensoft.net/fig/856270" pageId="0" pageNumber="43">5C</figureCitation>
,
<figureCitation id="ACA480C9C6D8AA03AAEA24C866C8E9B9" captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Left male palp of Baiyuerius zuojiang sp. nov. A prolateral view B ventral view C retrolateral view (red arrow: hypophysis of cymbium). Scale bar equal for A-C. Abbreviations: C = conductor; CDA = dorsal apophysis of conductor; CF = cymbial furrow; E = embolus; EB = embolic base; LTA = lateral tibial apophysis; MA = median apophysis; PA = patellar apophysis; RTA = retrolateral tibial apophysis; ST = subtegulum; T = tegulum." figureDoi="10.3897/zookeys.1165.101946.figure6" httpUri="https://binary.pensoft.net/fig/856271" pageId="0" pageNumber="43">6C</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="F8986C9F7BEDAAF65BB51F9E040C4956" pageId="0" pageNumber="43" type="description">
<paragraph id="B7A94C3D0538E0E8DF6123564D513D9C" pageId="0" pageNumber="43">Description.</paragraph>
<paragraph id="4C378B5E834E4AA6ECF9A5334AFB3DF1" pageId="0" pageNumber="43">
<emphasis id="94FEE3FA0AA7AF292D4DF2DC5BD5F3A5" bold="true" pageId="0" pageNumber="43">Male</emphasis>
(holotype). Total length 10.06. Carapace 5.42 long, 3.53 wide. Abdomen 4.64 long, 2.96 wide. Eye sizes and interdistances: AME: 0.12, ALE: 0.15, PME: 0.15, PLE: 0.15; AME-AME: 0.06; AME-ALE: 0.09; AME-PME: 0.07; ALE-PLE: 0.04; PME-PME: 0.04; PME-PLE: 0.15. Leg measurements: I: 17.13 (2.01, 0.76, 4.13, 1.74, 3.06, 3.17, 2.26); II: 15.78 (1.89, 0.75, 3.59, 1.73, 2.76, 3.14, 1.92); III: 13.52 (1.57, 0.74, 3.14, 1.34, 1.92, 3.12, 1.69); IV: 17.96 (1.78, 0.81, 4.43, 1.76, 3.14, 4.12, 1.92). Leg formula 4&gt; 1&gt; 2&gt; 3. Carapace black turning dark brown, chelicerae, endites, and labium dark brown, sternum brown, longer than wide, spinnerets yellow-brown, legs dark brown turning yellow-brown. Male palp (Fig.
<figureCitation id="FDD2CD14632609EC8A7E3A2CEA7F7DBE" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Left male palp of Baiyuerius pindong sp. nov. A prolateral view B ventral view C retrolateral view (red arrows = hypophyses of cymbium). Scale bar equal for A-C. Abbreviations: C = conductor; CDA = dorsal apophysis of conductor; CF = cymbial furrow; E = embolus; EB = embolic base; LTA = lateral tibial apophysis; MA = median apophysis; PA = patellar apophysis; RTA = retrolateral tibial apophysis; ST = subtegulum; T = tegulum." figureDoi="10.3897/zookeys.1165.101946.figure3" httpUri="https://binary.pensoft.net/fig/856268" pageId="0" pageNumber="43">3</figureCitation>
): femur long, c. 4 times longer than wide, tibia long, c. 2 times longer than wide, patella short, length only 1/3 of width, patellar apophysis dark brown, c. 3 times longer than wide, extending over half of tibia, with a blunt and bent distal end, retrolateral tibial apophysis originating from 1/3 of tibia, lateral tibial apophysis enlarged, human-ear-like, median apophysis spoon-shaped, cymbial furrow subequal to 1/2 the length of cymbium, cymbial base with two hypophyses, embolus originating at a 7
<normalizedToken id="18104BE810DF8E9F8F79B27C8F75A6A6" originalValue="oclock">o'clock</normalizedToken>
, widen, narrowing in the second half, then wrapped by conductor, embolic base black, 2 times longer than wide, conductor translucent, with wrinkles, while its margin jagged and transparent, dorsal apophysis of conductor black and strongly expanded, leaf-like, with a jagged margin.
</paragraph>
<paragraph id="344D5889B90C71D930F53F1E018C343E" pageId="0" pageNumber="43">
<emphasis id="6169B2E0F683CE02FFCBD98167BD15B2" bold="true" pageId="0" pageNumber="43">Female.</emphasis>
Unknown.
</paragraph>
</subSubSection>
<subSubSection id="35380F78634C346317081F54F7F6E700" pageId="0" pageNumber="43" type="distribution">
<paragraph id="C6280A8896574064EA3E1406FAD352A4" pageId="0" pageNumber="43">Distribution.</paragraph>
<paragraph id="418971D0BB3B07D6BE53CFF461FA01E0" pageId="0" pageNumber="43">
Guangdong Province, China (Fig.
<figureCitation id="AF42F3F0ABDC96A6C19056D4E790BF9E" captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Localities of Baiyuerius species in China and Vietnam 1 B. daxi sp. nov. 2 B. pindong sp. nov. 3 B. tamdao sp. nov. 4 B. zhuping sp. nov. 5 B. zuojiang sp. nov." figureDoi="10.3897/zookeys.1165.101946.figure8" httpUri="https://binary.pensoft.net/fig/856273" pageId="0" pageNumber="43">8</figureCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>