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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1175.107636" ID-Pensoft-Pub="1313-2970-1175-163" ID-Pensoft-UUID="CE03B1B394CF56B48E8F7E5026CD639C" ID-ZooBank="E88FF072E8C945AEA4944B2A5F7DD7E8" ModsDocID="1313-2970-1175-163" checkinTime="1692265381537" checkinUser="pensoft" docAuthor="Yin, Wenqi, Zhu, Pingzhou &amp; Shi, Hongliang" docDate="2023" docId="8963CB2DCCD257FB933539D13C231207" docLanguage="en" docName="ZooKeys 1175: 163-185" docOrigin="ZooKeys 1175" docPubDate="2023-08-16" docSource="http://dx.doi.org/10.3897/zookeys.1175.107636" docTitle="Pterostichus (Orientostichus) orbicollis Yin &amp; Zhu &amp; Shi 2023, sp. nov." docType="treatment" docUuid="90A3FB24-DEF5-4244-A000-004B432F6D12" docUuidSource="ZooBank" docVersion="1" id="CE03B1B394CF56B48E8F7E5026CD639C" lastPageNumber="163" masterDocId="CE03B1B394CF56B48E8F7E5026CD639C" masterDocTitle="Taxonomic study on the subgenus Orientostichus, the Pterostichus pulcher species group (Coleoptera, Carabidae, Pterostichus)" masterLastPageNumber="185" masterPageNumber="163" pageNumber="163" updateTime="1692265381537" updateUser="pensoft">
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<mods:title id="8038ECE964F18B554E342212A53FB812">Taxonomic study on the subgenus Orientostichus, the Pterostichus pulcher species group (Coleoptera, Carabidae, Pterostichus)</mods:title>
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<mods:namePart id="405B50FC9A1793A3B66D85BA69CDAC0B">Yin, Wenqi</mods:namePart>
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<mods:namePart id="F7E6CA6C07A82B54535FAE197202D2CD">Zhu, Pingzhou</mods:namePart>
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<mods:affiliation id="C80BAF32683114447D6CF9A2D72BF48C">Department of Entomology, College of Plant Protection, China Agricultural University, Beijing 100093, China</mods:affiliation>
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<mods:namePart id="2AE0A5CED73BCA09149A2BE6EF8EBB3B">Shi, Hongliang</mods:namePart>
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<mods:affiliation id="A3D7E816C085C4498536061074AEAD50">College of Forestry, Beijing Forestry University, Beijing 100083, China</mods:affiliation>
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<mods:date id="C38D57EBCDBB80E4502AF94952CB5C9E">2023</mods:date>
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<paragraph id="C7D222396BB5F9D77BF91F3A4EDDAF02" pageId="0" pageNumber="163">
<taxonomicName id="A85420B24FEDF7B8094B41BB74DD4281" LSID="https://zoobank.org/90A3FB24-DEF5-4244-A000-004B432F6D12" authority="Yin &amp; Zhu &amp; Shi, 2023" authorityName="Yin &amp; Zhu &amp; Shi" authorityYear="2023" class="Insecta" family="Carabidae" genus="Pterostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pterostichus (Orientostichus) orbicollis" order="Coleoptera" pageId="0" pageNumber="163" phylum="Arthropoda" rank="species" species="orbicollis" status="sp. nov." subGenus="Orientostichus">Pterostichus (Orientostichus) orbicollis</taxonomicName>
<taxonomicNameLabel id="0688D12A7858BF6CC6025B11E0B094E1" pageId="0" pageNumber="163">sp. nov.</taxonomicNameLabel>
</paragraph>
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<subSubSection id="1D454053A8073C1A12EA1729704C22BF" pageId="0" pageNumber="163" type="description">
<paragraph id="7C9B5C4BEC21D2EBA6BE3C689D01A147" pageId="0" pageNumber="163">
<figureCitation id="F386A612CA45C1282C096F1A8420B7EF" captionStart="Figures 16" captionStartId="F1" captionText="Figures 1 - 6. Habitus and labels of Pterostichus pulcher species group 1 P. pemphis sp. nov., holotype 2 P. orbicollis sp. nov., holotype 3 P. leo sp. nov., holotype 4 P. liyuani sp. nov., holotype 5 P. condylus sp. nov., holotype 6 P. jialini sp. nov., holotype. Scale bar: 5 mm." figureDoi="10.3897/zookeys.1175.107636.figures1-6" httpUri="https://binary.pensoft.net/fig/893313" pageId="0" pageNumber="163">Figs 2</figureCitation>
<figureCitation id="E145BF75F4FF91E4AF1E4CFEE7E4C2C1" captionStart="Figures 712" captionStartId="F2" captionText="Figures 7 - 12. Pronota of Pterostichus pulcher species group 7 P. pemphis sp. nov., holotype 8 P. orbicollis sp. nov., holotype 9 P. leo sp. nov., holotype 10 P. liyuani sp. nov., holotype 11 P. condylus sp. nov., holotype 12 P. jialini sp. nov., holotype. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1175.107636.figures7-12" httpUri="https://binary.pensoft.net/fig/893314" pageId="0" pageNumber="163">, 8</figureCitation>
<figureCitation id="F0B78403D99DD9A169ED3D181D3F29D3" captionStart="Figures 1318" captionStartId="F3" captionText="Figures 13 - 18. Male genitalia of Pterostichus pulcher species group, left lateral view and dorsal view of median lobe of aedeagus 13 P. pemphis sp. nov., holotype 14 P. orbicollis sp. nov., holotype 15 P. leo sp. nov., holotype 16 P. liyuani sp. nov., holotype 17 P. condylus sp. nov., holotype 18 P. jialini sp. nov., holotype. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1175.107636.figures13-18" httpUri="https://binary.pensoft.net/fig/893315" pageId="0" pageNumber="163">, 14</figureCitation>
<figureCitation id="237C86AAFE42B16DBE9846D10816938A" captionStart="Figures 1924" captionStartId="F4" captionText="Figures 19 - 24. Endophallus of Pterostichus pulcher species group, left lateral view and right lateral view 19 P. pemphis sp. nov., paratype from Zhaojue county 20 P. orbicollis sp. nov., paratype from Longzhoushan mountain, Huili county 21 P. leo sp. nov., paratype from Shizishan mountain, Jinyang county 22 P. liyuani sp. nov., paratype from Luojishan mountain, Puge county 23 P. condylus sp. nov., paratype from Mianning county 24 P. pulcher Sciaky &amp; Allegro, paratype from Yizi Yakou, E'bian county to Meigu county. Scale bar: 1 mm. Abbreviations: gp: gonopore, gpl: gonopore lobe, bsp: basal sclerotized projection, vb: ventral basal lobe." figureDoi="10.3897/zookeys.1175.107636.figures19-24" httpUri="https://binary.pensoft.net/fig/893316" pageId="0" pageNumber="163">, 20</figureCitation>
<figureCitation id="9D2EA1E57630A811990297AC45F10532" captionStart="Figures 2530" captionStartId="F5" captionText="Figures 25 - 30. 25 - 28 endophallus bsp of Pterostichus pulcher species group, left lateral view 25 P. orbicollis sp. nov., paratype from Longzhoushan mountain, Huili county 26 P. liyuani sp. nov., paratype from Luojishan mountain, Puge county 27 P. condylus sp. nov., paratype from Mianning county 28 P. pulcher Sciaky &amp; Allegro, paratype from Yizi Yakou, E'bian county to Meigu county 29, 30 Endophallus of Pterostichus (Orientostichus) spp., left lateral view and right lateral view 29 P. prattii Bates, 1890, a male from Sanming city, Fujian province 30 P. curtatus Fairmaire, a male from Heqing county, Yunnan province. Scale bars: 1 mm. Abbreviations: gp: gonopore, gpl: gonopore lobe, bsp: basal sclerotized projection, vb: ventral basal lobe." figureDoi="10.3897/zookeys.1175.107636.figures25-30" httpUri="https://binary.pensoft.net/fig/893317" pageId="0" pageNumber="163">, 25</figureCitation>
<figureCitation id="F8661E121B8BDB2122FDFB20DC56E18F" captionStart="Figures 3439" captionStartId="F7" captionText="Figures 34 - 39. Male sternum VII of Pterostichus pulcher species group spp. 34 P. pemphis sp. nov., holotype 35 P. orbicollis sp. nov., holotype 36 P. liyuani sp. nov., holotype 37 P. condylus sp. nov., holotype 38 P. jialini sp. nov., holotype 39 P. pulcher Sciaky &amp; Allegro, holotype. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1175.107636.figures34-39" httpUri="https://binary.pensoft.net/fig/893319" pageId="0" pageNumber="163">
, 35 Chinese vernacular name:
<normalizedToken id="99E099BCA4DA0C04E3700BC1B3615E37" originalValue="圜胸通缘步甲">圜胸通缘步甲</normalizedToken>
</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C6B2BB0B99F414029450B8A4CB35B709" pageId="0" pageNumber="163" type="type locality">
<paragraph id="1F2548654EB2081D52E79776D9B37DA4" pageId="0" pageNumber="163">Type locality.</paragraph>
<paragraph id="2A5FC203206DCFAF16A475C9A4FEDD74" pageId="0" pageNumber="163">
China, Sichuan province: Liangshan Yi Autonomous Prefecture, Huili county, Longzhoushan mountain (
<geoCoordinate id="26B7DAD3D5AF5F303E52D5DE8A825687" degrees="26.79" direction="north" orientation="latitude" precision="555" value="26.79">26.79N</geoCoordinate>
, 102.20 E, alt 3500 m).
</paragraph>
</subSubSection>
<subSubSection id="F6CC29CC5E9C7166BD528E56C3D3A9B8" pageId="0" pageNumber="163" type="type material">
<paragraph id="7C7947C45BBAB3D88A76E4F4A31038BC" pageId="0" pageNumber="163">Type material.</paragraph>
<paragraph id="549A266AE893ECF084B08215D1491E99" pageId="0" pageNumber="163">
<emphasis id="8A41A798169329A1213E12599FD7B2C5" bold="true" italics="true" pageId="0" pageNumber="163">Holotype</emphasis>
: ♂: &quot;China: Sichuan, Huili county, Longzhoushan mt., way to the peak, Rhododendron shrubs + meadow, by pitfall trap&quot;, &quot;3500 m, N26.7921, E102.2035, 2015.VII.19, Shi HL, Liu B &amp; Ma YL lgt., BJFU exp. 2015&quot;, &quot;HOLOTYPE ♂
<taxonomicName id="F193DA205CB427DC3D69FFFCEF284E52" authorityName="Yin &amp; Zhu &amp; Shi" authorityYear="2023" class="Insecta" family="Carabidae" genus="Pterostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pterostichus (Orientostichus) orbicollis" order="Coleoptera" pageId="0" pageNumber="163" phylum="Arthropoda" rank="species" species="orbicollis" subGenus="Orientostichus">Pterostichus (Orientostichus) orbicollis</taxonomicName>
sp. nov. det. Yin &amp; Shi, 2022&quot; [red label];
<emphasis id="63519B9505E9D86A6AF2B9D263A3E04A" bold="true" italics="true" pageId="0" pageNumber="163">Paratypes</emphasis>
: 6 ♂ and 16 ♀: the same data as holotype but labeled as paratypes.
</paragraph>
</subSubSection>
<subSubSection id="84E83E0AE583DBDD2E348D754EEA0C48" pageId="0" pageNumber="163" type="diagnosis">
<paragraph id="D18B38BE277C5C89B8B66CFCE87FC5FF" pageId="0" pageNumber="163">Diagnosis.</paragraph>
<paragraph id="87489B9F158FDD38CFDCF914E36CC07A" pageId="0" pageNumber="163">
Elytral intervals 3 and 5 each with ≥ 3 large foveate discal pores, interval 7 without discal pore. Antennomere 3 with accessory setae. Pronotum nearly circular; posterior angles completely rounded without denticle (Fig.
<figureCitation id="B84A90A177156870B5DD68680C1D5827" captionStart="Figures 712" captionStartId="F2" captionText="Figures 7 - 12. Pronota of Pterostichus pulcher species group 7 P. pemphis sp. nov., holotype 8 P. orbicollis sp. nov., holotype 9 P. leo sp. nov., holotype 10 P. liyuani sp. nov., holotype 11 P. condylus sp. nov., holotype 12 P. jialini sp. nov., holotype. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1175.107636.figures7-12" httpUri="https://binary.pensoft.net/fig/893314" pageId="0" pageNumber="163">8</figureCitation>
); lateral margins with one mid-lateral seta. Male sternite VII with a well-defined smooth tubercle (Fig.
<figureCitation id="1C724C17DA7655AC7E19E05919D8CD22" captionStart="Figures 3439" captionStartId="F7" captionText="Figures 34 - 39. Male sternum VII of Pterostichus pulcher species group spp. 34 P. pemphis sp. nov., holotype 35 P. orbicollis sp. nov., holotype 36 P. liyuani sp. nov., holotype 37 P. condylus sp. nov., holotype 38 P. jialini sp. nov., holotype 39 P. pulcher Sciaky &amp; Allegro, holotype. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1175.107636.figures34-39" httpUri="https://binary.pensoft.net/fig/893319" pageId="0" pageNumber="163">35</figureCitation>
). Apical lamella of aedeagus short and wide (LL/LW = 1.1-1.25), apex rounded (Fig.
<figureCitation id="47AB36C22FBB896CB14A37FDAE7F4FFD" captionStart="Figures 1318" captionStartId="F3" captionText="Figures 13 - 18. Male genitalia of Pterostichus pulcher species group, left lateral view and dorsal view of median lobe of aedeagus 13 P. pemphis sp. nov., holotype 14 P. orbicollis sp. nov., holotype 15 P. leo sp. nov., holotype 16 P. liyuani sp. nov., holotype 17 P. condylus sp. nov., holotype 18 P. jialini sp. nov., holotype. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1175.107636.figures13-18" httpUri="https://binary.pensoft.net/fig/893315" pageId="0" pageNumber="163">14</figureCitation>
); endophallus with right branch of bsp tuberculate on dorsal surface (Figs
<figureCitation id="C2A482BDE5C0B4E08A18577A064AB941" captionStart="Figures 1924" captionStartId="F4" captionText="Figures 19 - 24. Endophallus of Pterostichus pulcher species group, left lateral view and right lateral view 19 P. pemphis sp. nov., paratype from Zhaojue county 20 P. orbicollis sp. nov., paratype from Longzhoushan mountain, Huili county 21 P. leo sp. nov., paratype from Shizishan mountain, Jinyang county 22 P. liyuani sp. nov., paratype from Luojishan mountain, Puge county 23 P. condylus sp. nov., paratype from Mianning county 24 P. pulcher Sciaky &amp; Allegro, paratype from Yizi Yakou, E'bian county to Meigu county. Scale bar: 1 mm. Abbreviations: gp: gonopore, gpl: gonopore lobe, bsp: basal sclerotized projection, vb: ventral basal lobe." figureDoi="10.3897/zookeys.1175.107636.figures19-24" httpUri="https://binary.pensoft.net/fig/893316" pageId="0" pageNumber="163">20</figureCitation>
,
<figureCitation id="A5C77DD444F5CD923EA5CE758805F956" captionStart="Figures 2530" captionStartId="F5" captionText="Figures 25 - 30. 25 - 28 endophallus bsp of Pterostichus pulcher species group, left lateral view 25 P. orbicollis sp. nov., paratype from Longzhoushan mountain, Huili county 26 P. liyuani sp. nov., paratype from Luojishan mountain, Puge county 27 P. condylus sp. nov., paratype from Mianning county 28 P. pulcher Sciaky &amp; Allegro, paratype from Yizi Yakou, E'bian county to Meigu county 29, 30 Endophallus of Pterostichus (Orientostichus) spp., left lateral view and right lateral view 29 P. prattii Bates, 1890, a male from Sanming city, Fujian province 30 P. curtatus Fairmaire, a male from Heqing county, Yunnan province. Scale bars: 1 mm. Abbreviations: gp: gonopore, gpl: gonopore lobe, bsp: basal sclerotized projection, vb: ventral basal lobe." figureDoi="10.3897/zookeys.1175.107636.figures25-30" httpUri="https://binary.pensoft.net/fig/893317" pageId="0" pageNumber="163">25</figureCitation>
).
</paragraph>
<caption id="1B56808A3F4B12C9DE7935D4EEA3774E" doi="10.3897/zookeys.1175.107636.figures25-30" httpUri="https://binary.pensoft.net/fig/893317" pageId="0" pageNumber="163" start="Figures 2530" startId="F5">
<paragraph id="A9AAE63267F2D1D412DB12A81FB1AE89" pageId="0" pageNumber="163">
<emphasis id="C61A31168373A956493FC89865808715" bold="true" pageId="0" pageNumber="163">Figures 25-30.</emphasis>
<emphasis id="AFC7E31554916F5A3EAD0DEB4D9DBC3A" bold="true" pageId="0" pageNumber="163">25-28</emphasis>
endophallus bsp of
<taxonomicName id="42D6370B7CD31D88DBBFEF814F1FB0ED" authorityName="Sciaky &amp; Allegro" authorityYear="2013" class="Insecta" family="Carabidae" genus="Pterostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pterostichus pulcher" order="Coleoptera" pageId="0" pageNumber="163" phylum="Arthropoda" rank="species" species="pulcher">
<emphasis id="778E9CA18D8DD2EE0231993DA0BDF5E4" italics="true" pageId="0" pageNumber="163">Pterostichus pulcher</emphasis>
</taxonomicName>
species group, left lateral view
<emphasis id="80E180219193C378FCAD65D2790154F1" bold="true" pageId="0" pageNumber="163">25</emphasis>
<taxonomicName id="34378114067CCADF6B5C9A1EE3E7FEA3" lsidName="P. orbicollis" pageId="0" pageNumber="163" rank="species" species="orbicollis">
<emphasis id="8C9DACA6BF16AE1E1B7A6A5D1B315B94" italics="true" pageId="0" pageNumber="163">P. orbicollis</emphasis>
</taxonomicName>
sp. nov., paratype from Longzhoushan mountain, Huili county
<emphasis id="E6F1A48595AB7BB6BF3DBB9ADD815410" bold="true" pageId="0" pageNumber="163">26</emphasis>
<taxonomicName id="77157BFF657EDEC2FD2720A04CCB0E9D" lsidName="P. liyuani" pageId="0" pageNumber="163" rank="species" species="liyuani">
<emphasis id="4B1D2AF498E7DA9570C3FDCB945D4FE7" italics="true" pageId="0" pageNumber="163">P. liyuani</emphasis>
</taxonomicName>
sp. nov., paratype from Luojishan mountain, Puge county
<emphasis id="E56C38C423F3FC41FC0F073C0FE78F6F" bold="true" pageId="0" pageNumber="163">27</emphasis>
<taxonomicName id="C14DBA5173C3C9CC5867A73DFFAC9703" lsidName="P. condylus" pageId="0" pageNumber="163" rank="species" species="condylus">
<emphasis id="28D1C8B7A4E586189855DF7997D5ED08" italics="true" pageId="0" pageNumber="163">P. condylus</emphasis>
</taxonomicName>
sp. nov., paratype from Mianning county
<emphasis id="E46F989EE46818C8AE5B160400D17515" bold="true" pageId="0" pageNumber="163">28</emphasis>
<taxonomicName id="920EC44EC722623E40400CFD80DB1A4B" lsidName="P. pulcher" pageId="0" pageNumber="163" rank="species" species="pulcher">
<emphasis id="3AD64B94494A06D7F3B72B77C786B034" italics="true" pageId="0" pageNumber="163">P. pulcher</emphasis>
</taxonomicName>
Sciaky &amp; Allegro, paratype from Yizi Yakou,
<normalizedToken id="767150D726F1E0BFF6DBA78DCE493B08" originalValue="Ebian">E'bian</normalizedToken>
county to Meigu county
<emphasis id="F3A34B555A0D742FCB466A634874D423" bold="true" pageId="0" pageNumber="163">29, 30</emphasis>
Endophallus of
<taxonomicName id="1DCE5728452359F0DDADEB7B2D0EC2B9" authority="" authorityName="Sciaky &amp; Allegro" authorityYear="2013" class="Insecta" family="Carabidae" genus="Pterostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pterostichus (Orientostichus)" order="Coleoptera" pageId="0" pageNumber="163" phylum="Arthropoda" rank="subGenus" subGenus="Orientostichus">Pterostichus (Orientostichus)</taxonomicName>
spp., left lateral view and right lateral view
<emphasis id="58C25BF0DC9A607DCDA0B45D8B1AE6FA" bold="true" pageId="0" pageNumber="163">29</emphasis>
<taxonomicName id="73CF4E5D98B918A05C7232095704E64B" lsidName="P. prattii" pageId="0" pageNumber="163" rank="species" species="prattii">
<emphasis id="F8EDD865C96FC1392AEAD8DAD421593F" italics="true" pageId="0" pageNumber="163">P. prattii</emphasis>
</taxonomicName>
Bates, 1890, a male from Sanming city, Fujian province
<emphasis id="09895AFF07E60ABAFABC5B0EBE8C91CF" bold="true" pageId="0" pageNumber="163">30</emphasis>
<taxonomicName id="38CA5DA5B05A9EB9C0F4D9F0CDB29E05" lsidName="P. curtatus" pageId="0" pageNumber="163" rank="species" species="curtatus">
<emphasis id="615DCC5C91C23F76408C375928D9447C" italics="true" pageId="0" pageNumber="163">P. curtatus</emphasis>
</taxonomicName>
Fairmaire, a male from Heqing county, Yunnan province. Scale bars: 1 mm. Abbreviations: gp: gonopore, gpl: gonopore lobe, bsp: basal sclerotized projection, vb: ventral basal lobe.
</paragraph>
</caption>
<caption id="8DE903D7EFFA3BE893B85AB8F785CEE4" doi="10.3897/zookeys.1175.107636.figures31-33" httpUri="https://binary.pensoft.net/fig/893318" pageId="0" pageNumber="163" start="Figures 3133" startId="F6">
<paragraph id="13DB0DDC7DBC138CD76593193FB1AC17" pageId="0" pageNumber="163">
<emphasis id="F940C93D8538D123DB1A3EE4DC24E561" bold="true" pageId="0" pageNumber="163">Figures 31-33.</emphasis>
Holotype of
<taxonomicName id="530FEAE31BA8DF069C9DA1527AABD642" authorityName="Sciaky &amp; Allegro" authorityYear="2013" class="Insecta" family="Carabidae" genus="Pterostichus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pterostichus pulcher" order="Coleoptera" pageId="0" pageNumber="163" phylum="Arthropoda" rank="species" species="pulcher">
<emphasis id="DAA841E3BD2DD38F478EF75114F0DEBF" italics="true" pageId="0" pageNumber="163">Pterostichus pulcher</emphasis>
</taxonomicName>
Sciaky &amp; Allegro, 2013
<emphasis id="8A61CD004D430F62F2525A56A39366DC" bold="true" pageId="0" pageNumber="163">31</emphasis>
habitus and labels
<emphasis id="173CC0B8771B7AB4D9F5A70337940F18" bold="true" pageId="0" pageNumber="163">32</emphasis>
pronotum
<emphasis id="0DFF95539AE405E23FB928CF150640E7" bold="true" pageId="0" pageNumber="163">33</emphasis>
male genitalia, left lateral view and dorsal view of median lobe of aedeagus. Scale bars: 5 mm (
<emphasis id="687DB3BD53F4CA3401CDE660F9F1C614" bold="true" pageId="0" pageNumber="163">31</emphasis>
); 1 mm (
<emphasis id="845740E65A855FD342C5D6215E92E422" bold="true" pageId="0" pageNumber="163">32, 33</emphasis>
).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="3E0EB57E403D5F8E80E06DE0F084AC31" pageId="0" pageNumber="163" type="comparisons">
<paragraph id="6C8CED856BF7F4924B7F5AFC5B1E6A1E" pageId="0" pageNumber="163">Comparison.</paragraph>
<paragraph id="464ED2B43B13A0CD4882921D2CE88EBE" pageId="0" pageNumber="163">
From the presence of accessory setae on antennomere 3 and relatively short apical lamella of male genitalia,
<taxonomicName id="FC8474DCA8C0591B9109E914AE77343F" lsidName="P. orbicollis" pageId="0" pageNumber="163" rank="species" species="orbicollis">
<emphasis id="74A07EBDFBB63AEBEAA103C00B3E5949" italics="true" pageId="0" pageNumber="163">P. orbicollis</emphasis>
</taxonomicName>
sp. nov. is most similar to
<taxonomicName id="8DD5E59D45DC58EB8BDD6305D0E7B797" lsidName="P. pemphis" pageId="0" pageNumber="163" rank="species" species="pemphis">
<emphasis id="5918EF112F24FDC8A4487432108468F2" italics="true" pageId="0" pageNumber="163">P. pemphis</emphasis>
</taxonomicName>
sp. nov. But these two species can be easily distinguished by the differences on the number of pronotal mid-lateral setae and shape of pronotal posterior angles (details see Comparison under the latter species).
</paragraph>
</subSubSection>
<subSubSection id="42124634846A4CCB140F18EAC24C46F9" pageId="0" pageNumber="163" type="description">
<paragraph id="9F6258507746EB077518B415AA66D9C8" pageId="0" pageNumber="163">Description.</paragraph>
<paragraph id="1DA9025B0F557C0B9AC99A8B8075E434" pageId="0" pageNumber="163">
BL = 14.7-15.8 mm, BW = 5.5-6.0 mm, dorsal surface and appendages black, elytra sometimes a little reddish brown. Antennomere 3 with accessory setae on apical 2/3 in additional to the primary setae forming apical ring. Pronotum nearly circular, PW/PL = 1.30-1.34, widest near anterior 1/3; anterior margin wider than posterior margin; strongly narrowed to base (PBW/PW = 0.66-0.69); lateral margins evenly arched from anterior angles to posterior angles; posterior angles completely rounded, without a trace of denticle (Fig.
<figureCitation id="04A3EF5293C832BAF1E86B8B937893A9" captionStart="Figures 712" captionStartId="F2" captionText="Figures 7 - 12. Pronota of Pterostichus pulcher species group 7 P. pemphis sp. nov., holotype 8 P. orbicollis sp. nov., holotype 9 P. leo sp. nov., holotype 10 P. liyuani sp. nov., holotype 11 P. condylus sp. nov., holotype 12 P. jialini sp. nov., holotype. Scale bars: 1 mm." figureDoi="10.3897/zookeys.1175.107636.figures7-12" httpUri="https://binary.pensoft.net/fig/893314" pageId="0" pageNumber="163">8</figureCitation>
); lateral margins with only one mid-lateral seta near maximum width; basal foveae impunctate, inner and outer grooves straight, partly fused at base, outer groove a little shorter than inner one, area between them slightly depressed; disc with fine transverse wrinkles aside median line. Elytra oblong, parascutellar pore absent; intervals 3 and 5 each with ≥ 3 large foveate discal pores; interval 7 without discal pore. Male sternite VII with well-defined tubercle on middle, small and smooth (Fig.
<figureCitation id="AFFD219D2B2274CB1686154F61D1BAC9" captionStart="Figures 3439" captionStartId="F7" captionText="Figures 34 - 39. Male sternum VII of Pterostichus pulcher species group spp. 34 P. pemphis sp. nov., holotype 35 P. orbicollis sp. nov., holotype 36 P. liyuani sp. nov., holotype 37 P. condylus sp. nov., holotype 38 P. jialini sp. nov., holotype 39 P. pulcher Sciaky &amp; Allegro, holotype. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1175.107636.figures34-39" httpUri="https://binary.pensoft.net/fig/893319" pageId="0" pageNumber="163">35</figureCitation>
). Median lobe of aedeagus stout, strongly curved near basal 1/3; apical lamella gradually narrowed and deflected ventrally; apical lamella slightly twisted longitudinally, relatively short (LL/LW = 1.1-1.25), with rounded apex (Fig.
<figureCitation id="F998AEECD32DCB60E04A026372380C2B" captionStart="Figures 1318" captionStartId="F3" captionText="Figures 13 - 18. Male genitalia of Pterostichus pulcher species group, left lateral view and dorsal view of median lobe of aedeagus 13 P. pemphis sp. nov., holotype 14 P. orbicollis sp. nov., holotype 15 P. leo sp. nov., holotype 16 P. liyuani sp. nov., holotype 17 P. condylus sp. nov., holotype 18 P. jialini sp. nov., holotype. Scale bar: 1 mm." figureDoi="10.3897/zookeys.1175.107636.figures13-18" httpUri="https://binary.pensoft.net/fig/893315" pageId="0" pageNumber="163">14</figureCitation>
). Endophallus long, straightly directed ventrally, gonopore opened to ventral-basal direction of aedeagus; vb distinct, spherical, rounded at both apexes; bsp deeply grooved, nearly U-shaped, dorsal surface of right branch folded and strongly hooked forming a tubercle (Figs
<figureCitation id="DCDEF021B1E28CB2CF7D0DAB8D7C8F7F" captionStart="Figures 1924" captionStartId="F4" captionText="Figures 19 - 24. Endophallus of Pterostichus pulcher species group, left lateral view and right lateral view 19 P. pemphis sp. nov., paratype from Zhaojue county 20 P. orbicollis sp. nov., paratype from Longzhoushan mountain, Huili county 21 P. leo sp. nov., paratype from Shizishan mountain, Jinyang county 22 P. liyuani sp. nov., paratype from Luojishan mountain, Puge county 23 P. condylus sp. nov., paratype from Mianning county 24 P. pulcher Sciaky &amp; Allegro, paratype from Yizi Yakou, E'bian county to Meigu county. Scale bar: 1 mm. Abbreviations: gp: gonopore, gpl: gonopore lobe, bsp: basal sclerotized projection, vb: ventral basal lobe." figureDoi="10.3897/zookeys.1175.107636.figures19-24" httpUri="https://binary.pensoft.net/fig/893316" pageId="0" pageNumber="163">20</figureCitation>
,
<figureCitation id="505FAC0F3966658240A71016FD00F0E8" captionStart="Figures 2530" captionStartId="F5" captionText="Figures 25 - 30. 25 - 28 endophallus bsp of Pterostichus pulcher species group, left lateral view 25 P. orbicollis sp. nov., paratype from Longzhoushan mountain, Huili county 26 P. liyuani sp. nov., paratype from Luojishan mountain, Puge county 27 P. condylus sp. nov., paratype from Mianning county 28 P. pulcher Sciaky &amp; Allegro, paratype from Yizi Yakou, E'bian county to Meigu county 29, 30 Endophallus of Pterostichus (Orientostichus) spp., left lateral view and right lateral view 29 P. prattii Bates, 1890, a male from Sanming city, Fujian province 30 P. curtatus Fairmaire, a male from Heqing county, Yunnan province. Scale bars: 1 mm. Abbreviations: gp: gonopore, gpl: gonopore lobe, bsp: basal sclerotized projection, vb: ventral basal lobe." figureDoi="10.3897/zookeys.1175.107636.figures25-30" httpUri="https://binary.pensoft.net/fig/893317" pageId="0" pageNumber="163">25</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="0E0EFE4EE6A34D46FBC6794152FBB2AD" pageId="0" pageNumber="163" type="distribution">
<paragraph id="E5DFFD7417331C448B688A8F0AED7976" pageId="0" pageNumber="163">Distribution.</paragraph>
<paragraph id="41A36E579094EF08472D7A7301C9A3C6" pageId="0" pageNumber="163">
This species was only found in the type locality, Longzhoushan mountain, Huili county, Liangshan Yi Autonomous Prefecture (Fig.
<figureCitation id="B4462442D7EBBEE92488FBF15EBE1D71" captionStart="Figure 42" captionStartId="F9" captionText="Figure 42. Distribution of the taxa of Pterostichus pulcher species group in Sichuan province, China. Brown: P. pemphis sp. nov. Yellow: P. orbicollis sp. nov. Red: P. leo sp. nov. Purple: P. liyuani sp. nov. Blue: P. condylus sp. nov. Green: P. jialini sp. nov. Orange: P. pulcher Sciaky &amp; Allegro." figureDoi="10.3897/zookeys.1175.107636.figure42" httpUri="https://binary.pensoft.net/fig/893321" pageId="0" pageNumber="163">42</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C9EC083466BC1B962FB6649906BCE822" pageId="0" pageNumber="163" type="etymology">
<paragraph id="D18523931E65BDD1064EF17B1DFD224C" pageId="0" pageNumber="163">Etymology.</paragraph>
<paragraph id="03C574F51949BFD5CBD579D96C406E0F" pageId="0" pageNumber="163">
The scientific name of the new species is composed of two Latin roots,
<emphasis id="3EBDC7DD1DE9A40DD8413497B18679E4" italics="true" pageId="0" pageNumber="163">orbi</emphasis>
- meaning circular, and -
<emphasis id="885B4288856BF71DCF5913A91A641529" italics="true" pageId="0" pageNumber="163">collis</emphasis>
meaning pronotum, referring to its completely rounded pronotum.
</paragraph>
</subSubSection>
</treatment>
</document>