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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.979.53765" ID-GBIF-Dataset="27691466-13a2-44d9-a198-d0ca1f00252b" ID-PMC="PMC7609498" ID-Pensoft-Pub="1313-2970-979-99" ID-Pensoft-UUID="6E42AB66ABF8596FB9E8FE725F1FE88C" ID-PubMed="33192133" ID-ZooBank="BC56F2AED8F9411E9C9281945738E264" ModsDocID="1313-2970-979-99" checkinTime="1603838511714" checkinUser="pensoft" docAuthor="Yang, Ganyan, Yang, Xingke &amp; Shi, Hongliang" docDate="2020" docId="D62CD9A259CD587AA24D0DF0D9C11CC5" docLanguage="en" docName="ZooKeys 979: 99-132" docOrigin="ZooKeys 979" docSource="http://dx.doi.org/10.3897/zookeys.979.53765" docTitle="Gastrocentrum zayuense sp. nov." docType="treatment" docVersion="4" id="6E42AB66ABF8596FB9E8FE725F1FE88C" lastPageNumber="99" masterDocId="6E42AB66ABF8596FB9E8FE725F1FE88C" masterDocTitle="Taxonomy and phylogeny of the genus Gastrocentrum Gorham (Coleoptera, Cleridae, Tillinae), with the description of five new species" masterLastPageNumber="132" masterPageNumber="99" pageNumber="99" updateTime="1668169655205" updateUser="ExternalLinkService">
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<mods:titleInfo>
<mods:title>Taxonomy and phylogeny of the genus Gastrocentrum Gorham (Coleoptera, Cleridae, Tillinae), with the description of five new species</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yang, Ganyan</mods:namePart>
<mods:affiliation>College of Forestry, Beijing Forestry University, Beijing 100083, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yang, Xingke</mods:namePart>
<mods:affiliation>Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Shi, Hongliang</mods:namePart>
<mods:affiliation>College of Forestry, Beijing Forestry University, Beijing 100083, China</mods:affiliation>
<mods:nameIdentifier type="email">shihl@bjfu.edu.cn</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2020</mods:date>
<mods:detail type="volume">
<mods:number>979</mods:number>
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<mods:extent unit="page">
<mods:start>99</mods:start>
<mods:end>132</mods:end>
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<mods:url>http://dx.doi.org/10.3897/zookeys.979.53765</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.979.53765</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-979-99</mods:identifier>
<mods:identifier type="ZooBank">BC56F2AED8F9411E9C9281945738E264</mods:identifier>
<mods:identifier type="Pensoft-UUID">6E42AB66ABF8596FB9E8FE725F1FE88C</mods:identifier>
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<treatment ID-GBIF-Taxon="168650489" LSID="urn:lsid:zoobank.org:act:BF8965BA-6A05-4D76-B545-2A844A5453FA" httpUri="http://treatment.plazi.org/id/D62CD9A259CD587AA24D0DF0D9C11CC5" lastPageNumber="99" pageId="0" pageNumber="99">
<subSubSection pageId="0" pageNumber="99" type="nomenclature">
<paragraph pageId="0" pageNumber="99">
<taxonomicName LSID="D62CD9A2-59CD-587A-A24D-0DF0D9C11CC5" authority="sp. nov." class="Insecta" family="Cleridae" genus="Gastrocentrum" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Gastrocentrum zayuense" order="Coleoptera" pageId="0" pageNumber="99" phylum="Arthropoda" rank="species" species="zayuense">Gastrocentrum zayuense sp. nov.</taxonomicName>
<figureCitation captionStart="Figures 19" captionStartId="F1" captionText="Figures 1 - 9. Habitus. 1 Gastrocentrum magnum sp. nov. Holotype 2 G. dux from Australia 3 G. unicolor (Lectotype of G. pauper) 4 G. regulare sp. nov. Holotype 5 G. xiaodongi sp. nov. Holotype 6 G. zayuense sp. nov. Holotype 7 G. gaoligongense sp. nov. Holotype 8 Tillus nitidus comb. nov. Holotype 9 Isocymatodera atricolor Syntype. Scale bars: 5 mm (1, 2) 2 mm (3 - 9)." figureDoi="10.3897/zookeys.979.53765.figures1-9" httpUri="https://binary.pensoft.net/fig/467717" pageId="0" pageNumber="99">Figures 6</figureCitation>
<figureCitation captionStart="Figure 10" captionStartId="F2" captionText="Figure 10. Drawing of elytral asetiferous punctations. A Gastrocentrum magnum sp. nov. B G. dux C G. regulare sp. nov. D G. xiaodongi sp. nov. E G. gaoligongense sp. nov. F-H G. zayuense sp. nov. The numbers 1 - 10 annotate the serial rows of primary asetiferous punctuations (PAP). Abbreviations: a accessory asetiferous punctations." figureDoi="10.3897/zookeys.979.53765.figure10" httpUri="https://binary.pensoft.net/fig/467718" pageId="0" pageNumber="99">, 10F-H</figureCitation>
<figureCitation captionStart="Figure 17" captionStartId="F9" captionText="Figure 17. Gastrocentrum zayuense sp. nov. Holotype male. A tegmen in lateral view a apex of tegmen in lateral view B tegmen in ventral view C phallus in lateral view D phallus in ventral view E spicular fork F pygidium G sixth ventrite H antenna. Scale bar: 1 mm." figureDoi="10.3897/zookeys.979.53765.figure17" httpUri="https://binary.pensoft.net/fig/467725" pageId="0" pageNumber="99">, 17</figureCitation>
<figureCitation captionStart="Figure 18" captionStartId="F10" captionText="Figure 18. Gastrocentrum zayuense sp. nov. paratypes, female reproductive organs of different specimens showing morphological variations. A female reproductive organ B pygidium C sixth ventrite D spermatheca E-J drawings of bursa copulatrix, spermatheca and spermathecal gland of six females. Abbreviations: bc bursa copulatrix cov common oviduct d distal part of spermathecal capsule ovp ovipositor sp spermatheca spg spermathecal gland spgtt top tail of spermathecal gland spglt lateral tail of spermathecal gland va vagina." figureDoi="10.3897/zookeys.979.53765.figure18" httpUri="https://binary.pensoft.net/fig/467726" pageId="0" pageNumber="99">, 18</figureCitation>
<figureCitation captionStart="Figures 2021" captionStartId="F12" captionText="Figures 20 - 21. 20 A, B wedge-shaped protuberance on inner surface of elytron with G. unicolor as an example C, D abdomen of G. zayuense in ventral and lateral view showing 1 st- 5 th ventrites with short lateral ridges on each segments E intercoxal process of first ventrite of G. unicolor showing the longitudinal groove F claws of Isocymatodera atricolor. 21 Female reproductive organs of G. zayuense sp. nov. not stained and with the dark background, revealing the internal tissues. Abbreviations: bc bursa copulatrix ip intercoxal process mt microtrichia field pig less pigmented circles on abdominal segments ridge short ridges on abdominal segments spc spermathecal capsule spd spermathecal duct spg spermathecal gland spgd spermathecal gland duct va vagina. Scale bars: 0.5 mm (20 A-D) 1 mm (21)." figureDoi="10.3897/zookeys.979.53765.figures20-21" httpUri="https://binary.pensoft.net/fig/467728" pageId="0" pageNumber="99">, 21</figureCitation>
<figureCitation captionStart="Figure 24" captionStartId="F15" captionText="Figure 24. Habitat of G. zayuense sp. nov. Photograph by BI Wenxuan." figureDoi="10.3897/zookeys.979.53765.figure24" httpUri="https://binary.pensoft.net/fig/467731" pageId="0" pageNumber="99">, 24</figureCitation>
<figureCitation captionStart="Figure 25" captionStartId="F16" captionText="Figure 25. Geographical distribution map of the genus Gastrocentrum." figureDoi="10.3897/zookeys.979.53765.figure25" httpUri="https://binary.pensoft.net/fig/467732" pageId="0" pageNumber="99">, 25</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="holotype">
<paragraph pageId="0" pageNumber="99">Holotype.</paragraph>
<paragraph pageId="0" pageNumber="99">
China: Xizang Autonomous Region, Nyingchi prefecture,
<normalizedToken originalValue="Zayü">Zayue</normalizedToken>
County, Zhowagoin, 2011.VII.1, BI Wenxuan leg, 2500 m / Holotype:
<taxonomicName class="Insecta" family="Cleridae" genus="Gastrocentrum" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Gastrocentrum zayuense" order="Coleoptera" pageId="0" pageNumber="99" phylum="Arthropoda" rank="species" species="zayuense">Gastrocentrum zayuense</taxonomicName>
sp. nov. Yang &amp; Yang, 2020 (CBWX, male, Fig.
<figureCitation captionStart="Figures 19" captionStartId="F1" captionText="Figures 1 - 9. Habitus. 1 Gastrocentrum magnum sp. nov. Holotype 2 G. dux from Australia 3 G. unicolor (Lectotype of G. pauper) 4 G. regulare sp. nov. Holotype 5 G. xiaodongi sp. nov. Holotype 6 G. zayuense sp. nov. Holotype 7 G. gaoligongense sp. nov. Holotype 8 Tillus nitidus comb. nov. Holotype 9 Isocymatodera atricolor Syntype. Scale bars: 5 mm (1, 2) 2 mm (3 - 9)." figureDoi="10.3897/zookeys.979.53765.figures1-9" httpUri="https://binary.pensoft.net/fig/467717" pageId="0" pageNumber="99">6</figureCitation>
);
<emphasis bold="true" pageId="0" pageNumber="99">Paratypes.</emphasis>
same as holotype (CBWX, 15 ex.); same as holotype but collected by LIU Ye on 2011.VII.3 (IZAS, 9 ex.); same but collected by Yang Xiaodong on 2011.VII.3 (CCCC, 1 ex.).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="diagnosis">
<paragraph pageId="0" pageNumber="99">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="99">
This species differs from
<taxonomicName lsidName="G. gaoligongense" pageId="0" pageNumber="99" rank="species" species="gaoligongense">
<emphasis italics="true" pageId="0" pageNumber="99">G. gaoligongense</emphasis>
</taxonomicName>
sp. nov. by elytral inner surface without wedge-shaped protuberance; tegmen apices with ventral surface streamlined in lateral view (Fig.
<figureCitation captionStart="Figure 17" captionStartId="F9" captionText="Figure 17. Gastrocentrum zayuense sp. nov. Holotype male. A tegmen in lateral view a apex of tegmen in lateral view B tegmen in ventral view C phallus in lateral view D phallus in ventral view E spicular fork F pygidium G sixth ventrite H antenna. Scale bar: 1 mm." figureDoi="10.3897/zookeys.979.53765.figure17" httpUri="https://binary.pensoft.net/fig/467725" pageId="0" pageNumber="99">17a</figureCitation>
), female bursa copulatrix clearly defined, much narrower than vagina, distal part of spermathecal capsule short, length/width ratio &lt;2.5 (Fig.
<figureCitation captionStart="Figure 18" captionStartId="F10" captionText="Figure 18. Gastrocentrum zayuense sp. nov. paratypes, female reproductive organs of different specimens showing morphological variations. A female reproductive organ B pygidium C sixth ventrite D spermatheca E-J drawings of bursa copulatrix, spermatheca and spermathecal gland of six females. Abbreviations: bc bursa copulatrix cov common oviduct d distal part of spermathecal capsule ovp ovipositor sp spermatheca spg spermathecal gland spgtt top tail of spermathecal gland spglt lateral tail of spermathecal gland va vagina." figureDoi="10.3897/zookeys.979.53765.figure18" httpUri="https://binary.pensoft.net/fig/467726" pageId="0" pageNumber="99">18A</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.979.53765.figure17" httpUri="https://binary.pensoft.net/fig/467725" pageId="0" pageNumber="99" start="Figure 17" startId="F9">
<paragraph pageId="0" pageNumber="99">
<emphasis bold="true" pageId="0" pageNumber="99">Figure 17.</emphasis>
<taxonomicName class="Insecta" family="Cleridae" genus="Gastrocentrum" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Gastrocentrum zayuense" order="Coleoptera" pageId="0" pageNumber="99" phylum="Arthropoda" rank="species" species="zayuense">
<emphasis italics="true" pageId="0" pageNumber="99">Gastrocentrum zayuense</emphasis>
</taxonomicName>
sp. nov. Holotype male.
<emphasis bold="true" pageId="0" pageNumber="99">A</emphasis>
tegmen in lateral view
<emphasis bold="true" pageId="0" pageNumber="99">a</emphasis>
apex of tegmen in lateral view
<emphasis bold="true" pageId="0" pageNumber="99">B</emphasis>
tegmen in ventral view
<emphasis bold="true" pageId="0" pageNumber="99">C</emphasis>
phallus in lateral view
<emphasis bold="true" pageId="0" pageNumber="99">D</emphasis>
phallus in ventral view
<emphasis bold="true" pageId="0" pageNumber="99">E</emphasis>
spicular fork
<emphasis bold="true" pageId="0" pageNumber="99">F</emphasis>
pygidium
<emphasis bold="true" pageId="0" pageNumber="99">G</emphasis>
sixth ventrite
<emphasis bold="true" pageId="0" pageNumber="99">H</emphasis>
antenna. Scale bar: 1mm.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="description">
<paragraph pageId="0" pageNumber="99">Description.</paragraph>
<paragraph pageId="0" pageNumber="99">
<emphasis bold="true" pageId="0" pageNumber="99">
<emphasis italics="true" pageId="0" pageNumber="99">General appearance</emphasis>
:
</emphasis>
length 13-18 mm, somewhat slenderer than
<taxonomicName lsidName="G. regulare" pageId="0" pageNumber="99" rank="species" species="regulare">
<emphasis italics="true" pageId="0" pageNumber="99">G. regulare</emphasis>
</taxonomicName>
, light brown.
<emphasis bold="true" italics="true" pageId="0" pageNumber="99">Head</emphasis>
: including eyes feebly broader than pronotum; eyes moderately large, distance between eyes slightly greater than the transverse diameter of eye; gular suture slightly convergent in anterior; female antennae broadly expanded laterally from 7th antennomere onwards, while male 7th antennomere less expanded (Fig.
<figureCitation captionStart="Figure 17" captionStartId="F9" captionText="Figure 17. Gastrocentrum zayuense sp. nov. Holotype male. A tegmen in lateral view a apex of tegmen in lateral view B tegmen in ventral view C phallus in lateral view D phallus in ventral view E spicular fork F pygidium G sixth ventrite H antenna. Scale bar: 1 mm." figureDoi="10.3897/zookeys.979.53765.figure17" httpUri="https://binary.pensoft.net/fig/467725" pageId="0" pageNumber="99">17H</figureCitation>
); vertex and frons finely punctate, postgenae rugose.
<emphasis bold="true" italics="true" pageId="0" pageNumber="99">Pronotum</emphasis>
: oblong, length/width ratio ca. 1.5, constricted posteriorly; surface finely and densely punctate, clothed with long, yellow hairs.
<emphasis bold="true" italics="true" pageId="0" pageNumber="99">Elytra</emphasis>
: oblong, sides subparallel in basal half and a little widened in apical half, length/width ratio ca. 2.5, vested with light yellow setae; wedge-shaped protuberance absent on inner surface; elytron smooth without asetiferous punctations or with very few asetiferous punctations, number of PAP ranged from 0~27 (n = 26), present on elytral basal disc in six rows in maximum, AAP absent (Fig.
<figureCitation captionStart="Figure 10" captionStartId="F2" captionText="Figure 10. Drawing of elytral asetiferous punctations. A Gastrocentrum magnum sp. nov. B G. dux C G. regulare sp. nov. D G. xiaodongi sp. nov. E G. gaoligongense sp. nov. F-H G. zayuense sp. nov. The numbers 1 - 10 annotate the serial rows of primary asetiferous punctuations (PAP). Abbreviations: a accessory asetiferous punctations." figureDoi="10.3897/zookeys.979.53765.figure10" httpUri="https://binary.pensoft.net/fig/467718" pageId="0" pageNumber="99">10F-H</figureCitation>
).
<emphasis bold="true" italics="true" pageId="0" pageNumber="99">Legs</emphasis>
: outer apex of protibia not extending outwards.
<emphasis bold="true" italics="true" pageId="0" pageNumber="99">Abdomen</emphasis>
: intercoxal process of the first ventrite not grooved longitudinally (Fig.
<figureCitation captionStart="Figures 2021" captionStartId="F12" captionText="Figures 20 - 21. 20 A, B wedge-shaped protuberance on inner surface of elytron with G. unicolor as an example C, D abdomen of G. zayuense in ventral and lateral view showing 1 st- 5 th ventrites with short lateral ridges on each segments E intercoxal process of first ventrite of G. unicolor showing the longitudinal groove F claws of Isocymatodera atricolor. 21 Female reproductive organs of G. zayuense sp. nov. not stained and with the dark background, revealing the internal tissues. Abbreviations: bc bursa copulatrix ip intercoxal process mt microtrichia field pig less pigmented circles on abdominal segments ridge short ridges on abdominal segments spc spermathecal capsule spd spermathecal duct spg spermathecal gland spgd spermathecal gland duct va vagina. Scale bars: 0.5 mm (20 A-D) 1 mm (21)." figureDoi="10.3897/zookeys.979.53765.figures20-21" httpUri="https://binary.pensoft.net/fig/467728" pageId="0" pageNumber="99">20C</figureCitation>
); metacoxal abdominal depressions weekly ridged in anterior margin, perpendicular carinae absent.
<emphasis bold="true" italics="true" pageId="0" pageNumber="99">Male genitalia</emphasis>
: pygidium with posterior margin rounded (Fig.
<figureCitation captionStart="Figure 17" captionStartId="F9" captionText="Figure 17. Gastrocentrum zayuense sp. nov. Holotype male. A tegmen in lateral view a apex of tegmen in lateral view B tegmen in ventral view C phallus in lateral view D phallus in ventral view E spicular fork F pygidium G sixth ventrite H antenna. Scale bar: 1 mm." figureDoi="10.3897/zookeys.979.53765.figure17" httpUri="https://binary.pensoft.net/fig/467725" pageId="0" pageNumber="99">17F</figureCitation>
); sixth ventrite arciform, width twice length, posterior margin rounded, central membranous region small, rhombic, extending from anterior margin to half-length of the ventrite (Fig.
<figureCitation captionStart="Figure 17" captionStartId="F9" captionText="Figure 17. Gastrocentrum zayuense sp. nov. Holotype male. A tegmen in lateral view a apex of tegmen in lateral view B tegmen in ventral view C phallus in lateral view D phallus in ventral view E spicular fork F pygidium G sixth ventrite H antenna. Scale bar: 1 mm." figureDoi="10.3897/zookeys.979.53765.figure17" httpUri="https://binary.pensoft.net/fig/467725" pageId="0" pageNumber="99">17G</figureCitation>
); tegmen tubiform, length ratio of phallobasic apodeme to phallobase ca. 1: 3.2 (Fig.
<figureCitation captionStart="Figure 17" captionStartId="F9" captionText="Figure 17. Gastrocentrum zayuense sp. nov. Holotype male. A tegmen in lateral view a apex of tegmen in lateral view B tegmen in ventral view C phallus in lateral view D phallus in ventral view E spicular fork F pygidium G sixth ventrite H antenna. Scale bar: 1 mm." figureDoi="10.3897/zookeys.979.53765.figure17" httpUri="https://binary.pensoft.net/fig/467725" pageId="0" pageNumber="99">17A, B</figureCitation>
); parameres hooked, ventral surface of the hook streamlined in lateral view (Fig.
<figureCitation captionStart="Figure 17" captionStartId="F9" captionText="Figure 17. Gastrocentrum zayuense sp. nov. Holotype male. A tegmen in lateral view a apex of tegmen in lateral view B tegmen in ventral view C phallus in lateral view D phallus in ventral view E spicular fork F pygidium G sixth ventrite H antenna. Scale bar: 1 mm." figureDoi="10.3897/zookeys.979.53765.figure17" httpUri="https://binary.pensoft.net/fig/467725" pageId="0" pageNumber="99">17a</figureCitation>
); interphallic plate shorter than half length of phallus (Fig.
<figureCitation captionStart="Figure 17" captionStartId="F9" captionText="Figure 17. Gastrocentrum zayuense sp. nov. Holotype male. A tegmen in lateral view a apex of tegmen in lateral view B tegmen in ventral view C phallus in lateral view D phallus in ventral view E spicular fork F pygidium G sixth ventrite H antenna. Scale bar: 1 mm." figureDoi="10.3897/zookeys.979.53765.figure17" httpUri="https://binary.pensoft.net/fig/467725" pageId="0" pageNumber="99">17D</figureCitation>
); phallus apex knot-like, approximately as long as wide (Fig.
<figureCitation captionStart="Figure 17" captionStartId="F9" captionText="Figure 17. Gastrocentrum zayuense sp. nov. Holotype male. A tegmen in lateral view a apex of tegmen in lateral view B tegmen in ventral view C phallus in lateral view D phallus in ventral view E spicular fork F pygidium G sixth ventrite H antenna. Scale bar: 1 mm." figureDoi="10.3897/zookeys.979.53765.figure17" httpUri="https://binary.pensoft.net/fig/467725" pageId="0" pageNumber="99">17C, D</figureCitation>
).
<emphasis bold="true" italics="true" pageId="0" pageNumber="99">Female reproductive organs</emphasis>
: pygidium subquadrate, posterior margin rounded (Fig.
<figureCitation captionStart="Figure 18" captionStartId="F10" captionText="Figure 18. Gastrocentrum zayuense sp. nov. paratypes, female reproductive organs of different specimens showing morphological variations. A female reproductive organ B pygidium C sixth ventrite D spermatheca E-J drawings of bursa copulatrix, spermatheca and spermathecal gland of six females. Abbreviations: bc bursa copulatrix cov common oviduct d distal part of spermathecal capsule ovp ovipositor sp spermatheca spg spermathecal gland spgtt top tail of spermathecal gland spglt lateral tail of spermathecal gland va vagina." figureDoi="10.3897/zookeys.979.53765.figure18" httpUri="https://binary.pensoft.net/fig/467726" pageId="0" pageNumber="99">18B</figureCitation>
); sixth ventrite trapezoidal, twice as broad as long, rounded posteriorly, central membranous region broad and extending posteriorly at sides, apical accessory membranous region absent (Fig.
<figureCitation captionStart="Figure 18" captionStartId="F10" captionText="Figure 18. Gastrocentrum zayuense sp. nov. paratypes, female reproductive organs of different specimens showing morphological variations. A female reproductive organ B pygidium C sixth ventrite D spermatheca E-J drawings of bursa copulatrix, spermatheca and spermathecal gland of six females. Abbreviations: bc bursa copulatrix cov common oviduct d distal part of spermathecal capsule ovp ovipositor sp spermatheca spg spermathecal gland spgtt top tail of spermathecal gland spglt lateral tail of spermathecal gland va vagina." figureDoi="10.3897/zookeys.979.53765.figure18" httpUri="https://binary.pensoft.net/fig/467726" pageId="0" pageNumber="99">18C</figureCitation>
); bursa copulatrix clearly defined; spermathecal gland with a top tail of medium length; spermathecal duct inflated distally where continuous with spermathecal capsule; spermathecal capsule simple or feebly bifurcate (Fig.
<figureCitation captionStart="Figure 18" captionStartId="F10" captionText="Figure 18. Gastrocentrum zayuense sp. nov. paratypes, female reproductive organs of different specimens showing morphological variations. A female reproductive organ B pygidium C sixth ventrite D spermatheca E-J drawings of bursa copulatrix, spermatheca and spermathecal gland of six females. Abbreviations: bc bursa copulatrix cov common oviduct d distal part of spermathecal capsule ovp ovipositor sp spermatheca spg spermathecal gland spgtt top tail of spermathecal gland spglt lateral tail of spermathecal gland va vagina." figureDoi="10.3897/zookeys.979.53765.figure18" httpUri="https://binary.pensoft.net/fig/467726" pageId="0" pageNumber="99">18D-J</figureCitation>
), distal part of spermathecal capsule short, length/width ratio &lt;2.5 (Fig.
<figureCitation captionStart="Figure 18" captionStartId="F10" captionText="Figure 18. Gastrocentrum zayuense sp. nov. paratypes, female reproductive organs of different specimens showing morphological variations. A female reproductive organ B pygidium C sixth ventrite D spermatheca E-J drawings of bursa copulatrix, spermatheca and spermathecal gland of six females. Abbreviations: bc bursa copulatrix cov common oviduct d distal part of spermathecal capsule ovp ovipositor sp spermatheca spg spermathecal gland spgtt top tail of spermathecal gland spglt lateral tail of spermathecal gland va vagina." figureDoi="10.3897/zookeys.979.53765.figure18" httpUri="https://binary.pensoft.net/fig/467726" pageId="0" pageNumber="99">18A, E-J</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.979.53765.figure18" httpUri="https://binary.pensoft.net/fig/467726" pageId="0" pageNumber="99" start="Figure 18" startId="F10">
<paragraph pageId="0" pageNumber="99">
<emphasis bold="true" pageId="0" pageNumber="99">Figure 18.</emphasis>
<taxonomicName class="Insecta" family="Cleridae" genus="Gastrocentrum" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Gastrocentrum zayuense" order="Coleoptera" pageId="0" pageNumber="99" phylum="Arthropoda" rank="species" species="zayuense">
<emphasis italics="true" pageId="0" pageNumber="99">Gastrocentrum zayuense</emphasis>
</taxonomicName>
sp. nov. paratypes, female reproductive organs of different specimens showing morphological variations.
<emphasis bold="true" pageId="0" pageNumber="99">A</emphasis>
female reproductive organ
<emphasis bold="true" pageId="0" pageNumber="99">B</emphasis>
pygidium
<emphasis bold="true" pageId="0" pageNumber="99">C</emphasis>
sixth ventrite
<emphasis bold="true" pageId="0" pageNumber="99">D</emphasis>
spermatheca
<emphasis bold="true" pageId="0" pageNumber="99">E-J</emphasis>
drawings of bursa copulatrix, spermatheca and spermathecal gland of six females. Abbreviations:
<emphasis bold="true" pageId="0" pageNumber="99">bc</emphasis>
bursa copulatrix
<emphasis bold="true" pageId="0" pageNumber="99">cov</emphasis>
common oviduct d distal part of spermathecal capsule
<emphasis bold="true" pageId="0" pageNumber="99">ovp</emphasis>
ovipositor sp spermatheca
<emphasis bold="true" pageId="0" pageNumber="99">spg</emphasis>
spermathecal gland
<emphasis bold="true" pageId="0" pageNumber="99">spgtt</emphasis>
top tail of spermathecal gland
<emphasis bold="true" pageId="0" pageNumber="99">spglt</emphasis>
lateral tail of spermathecal gland
<emphasis bold="true" pageId="0" pageNumber="99">va</emphasis>
vagina.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="variation">
<paragraph pageId="0" pageNumber="99">Variation.</paragraph>
<paragraph pageId="0" pageNumber="99">All examined specimens are from exactly same locality, they vary individually in the number of punctations on one elytron from zero to 27, and spermatheca apex being simple or feebly bifurcate distally.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="distribution">
<paragraph pageId="0" pageNumber="99">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="99">
China (Xizang,
<normalizedToken originalValue="Zayü">Zayue</normalizedToken>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="ecology">
<paragraph pageId="0" pageNumber="99">Ecology.</paragraph>
<paragraph pageId="0" pageNumber="99">
Habitat is shown in Fig.
<figureCitation captionStart="Figure 24" captionStartId="F15" captionText="Figure 24. Habitat of G. zayuense sp. nov. Photograph by BI Wenxuan." figureDoi="10.3897/zookeys.979.53765.figure24" httpUri="https://binary.pensoft.net/fig/467731" pageId="0" pageNumber="99">24</figureCitation>
. The specimens were collected on the tree trunk at night.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="99" type="etymology">
<paragraph pageId="0" pageNumber="99">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="99">The new species is named after its type locality.</paragraph>
</subSubSection>
</treatment>
</document>