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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.964.47441" ID-GBIF-Dataset="ae4cf6e5-d5ec-42e1-b7d9-7a2e154f2663" ID-PMC="PMC7471133" ID-Pensoft-Pub="1313-2970-964-109" ID-Pensoft-UUID="5015BA4825B256BEA82991E7A3B8D09D" ID-PubMed="32939148" ID-ZooBank="1EFD1A95A4D6406FA911CA220052B4B4" ModsDocID="1313-2970-964-109" checkinTime="1598623672526" checkinUser="pensoft" docAuthor="Pang, Yin, Liu *, Zhiwei, Su, Cheng-Yuan &amp; Zhu, Dao-Hong" docDate="2020" docId="3EA84E9E3CB75419A10CED8CFC50C0B6" docLanguage="en" docName="ZooKeys 964: 109-126" docOrigin="ZooKeys 964" docSource="http://dx.doi.org/10.3897/zookeys.964.47441" docTitle="Periclistus orientalis Pang, Liu &amp; Zhu 2020, sp. nov." docType="treatment" docUuid="77D32C97-1A16-4FE6-9A17-EC87B42749EB" docUuidSource="ZooBank" docVersion="4" id="5015BA4825B256BEA82991E7A3B8D09D" lastPageNumber="109" masterDocId="5015BA4825B256BEA82991E7A3B8D09D" masterDocTitle="A new species of Periclistus Foerster, 1869 from China and review of the tribe Diastrophini (Hymenoptera, Cynipoidea, Cynipidae)" masterLastPageNumber="126" masterPageNumber="109" pageNumber="109" updateTime="1668169390889" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>A new species of Periclistus Foerster, 1869 from China and review of the tribe Diastrophini (Hymenoptera, Cynipoidea, Cynipidae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Pang, Yin</mods:namePart>
<mods:affiliation>Institute of Evolutionary Ecology and Conservation Biology, Central South University of Forestry &amp; Technology, Shaoshan Road South 498 #, Changsha, Hunan 410004, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Liu *, Zhiwei</mods:namePart>
<mods:affiliation>Institute of Evolutionary Ecology and Conservation Biology, Central South University of Forestry &amp; Technology, Shaoshan Road South 498 #, Changsha, Hunan 410004, China &amp; Dept. of Biological Sciences, Eastern Illinois University, 600 Lincoln Ave, Charleston, IL 61920, USA</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Su, Cheng-Yuan</mods:namePart>
<mods:affiliation>Institute of Evolutionary Ecology and Conservation Biology, Central South University of Forestry &amp; Technology, Shaoshan Road South 498 #, Changsha, Hunan 410004, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zhu, Dao-Hong</mods:namePart>
<mods:affiliation>Institute of Evolutionary Ecology and Conservation Biology, Central South University of Forestry &amp; Technology, Shaoshan Road South 498 #, Changsha, Hunan 410004, China</mods:affiliation>
<mods:nameIdentifier type="orcid">https://orcid.org/0000-0002-4522-1988</mods:nameIdentifier>
<mods:nameIdentifier type="email">RoomnaPervaiz@fake.mail</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2020</mods:date>
<mods:detail type="volume">
<mods:number>964</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>109</mods:start>
<mods:end>126</mods:end>
</mods:extent>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.964.47441</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.964.47441</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-964-109</mods:identifier>
<mods:identifier type="ZooBank">1EFD1A95A4D6406FA911CA220052B4B4</mods:identifier>
<mods:identifier type="Pensoft-UUID">5015BA4825B256BEA82991E7A3B8D09D</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="167407651" LSID="urn:lsid:zoobank.org:act:77D32C97-1A16-4FE6-9A17-EC87B42749EB" httpUri="http://treatment.plazi.org/id/3EA84E9E3CB75419A10CED8CFC50C0B6" lastPageNumber="109" pageId="0" pageNumber="109">
<subSubSection pageId="0" pageNumber="109" type="nomenclature">
<paragraph pageId="0" pageNumber="109">
<taxonomicName LSID="3EA84E9E-3CB7-5419-A10C-ED8CFC50C0B6" authority="Pang, Liu &amp; Zhu" authorityName="Pang, Liu &amp; Zhu" authorityYear="2020" class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Periclistus orientalis" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="orientalis" status="sp. nov.">Periclistus orientalis Pang, Liu &amp; Zhu</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="109">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figures 16" captionStartId="F1" captionText="Figures 1 - 6. Periclistus orientalis sp. nov. 1 general habitus (♀) 2 general habitus (♂) 3 antenna (♀) 4 antenna (♂) 5 head in anterior view (♀) 6 head in anterior view (♂)." figureDoi="10.3897/zookeys.964.47441.figures1-6" httpUri="https://binary.pensoft.net/fig/446563" pageId="0" pageNumber="109">Figures 1-6</figureCitation>
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">, 7-11</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="type material">
<paragraph pageId="0" pageNumber="109">Type materials.</paragraph>
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" italics="true" pageId="0" pageNumber="109">Holotype</emphasis>
: ♀ (CSUFT), China, Hunan Province, Zhuzhou City,
<geoCoordinate degrees="27.83" direction="north" orientation="latitude" precision="555" value="27.83">27.83N</geoCoordinate>
,
<geoCoordinate degrees="113.13" direction="east" orientation="longitude" precision="555" value="113.13">113.13E</geoCoordinate>
, reared in 2011-V-10-20 from galls collected in 2011-IV, leg. Xiao-Hui Yang;
<emphasis bold="true" italics="true" pageId="0" pageNumber="109">Paratypes</emphasis>
: 4♀♀, 2♂♂ (CSUFT), collection data and locality same as holotype.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="etymology">
<paragraph pageId="0" pageNumber="109">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="109">
The species epithet is derived from Latin
<emphasis italics="true" pageId="0" pageNumber="109">orient</emphasis>
, meaning east, to suggest the type locality from the Oriental region.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="diagnosis">
<paragraph pageId="0" pageNumber="109">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="109">
<taxonomicName authorityName="Pang, Liu &amp; Zhu" authorityYear="2020" class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Periclistus orientalis" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="orientalis">
<emphasis italics="true" pageId="0" pageNumber="109">Periclistus orientalis</emphasis>
</taxonomicName>
can be distinguished from the other congeneric species in the Eastern Palearctic using the taxonomic key provided herein. Below we provide more detailed comparison of the new species with the two very similar species, i.e.,
<taxonomicName class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="P setosus" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="setosus">
<emphasis italics="true" pageId="0" pageNumber="109">P setosus</emphasis>
</taxonomicName>
and
<taxonomicName authorityName="Belizin" authorityYear="1968" class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="P capillatus" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="capillatus">
<emphasis italics="true" pageId="0" pageNumber="109">P capillatus</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph pageId="0" pageNumber="109">
<taxonomicName authorityName="Pang, Liu &amp; Zhu" authorityYear="2020" class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Periclistus orientalis" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="orientalis">
<emphasis italics="true" pageId="0" pageNumber="109">Periclistus orientalis</emphasis>
</taxonomicName>
sp. nov. is similar to
<taxonomicName class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="P setosus" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="setosus">
<emphasis italics="true" pageId="0" pageNumber="109">P setosus</emphasis>
</taxonomicName>
, but differs from the latter in the lower face with striae radiating from clypeus reaching eyes and antennal socket in the new species, whereas in
<taxonomicName class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="P setosus" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="setosus">
<emphasis italics="true" pageId="0" pageNumber="109">P setosus</emphasis>
</taxonomicName>
striae of lower face not reaching eyes and antennal socket (Fig.
<figureCitation captionStart="Figures 16" captionStartId="F1" captionText="Figures 1 - 6. Periclistus orientalis sp. nov. 1 general habitus (♀) 2 general habitus (♂) 3 antenna (♀) 4 antenna (♂) 5 head in anterior view (♀) 6 head in anterior view (♂)." figureDoi="10.3897/zookeys.964.47441.figures1-6" httpUri="https://binary.pensoft.net/fig/446563" pageId="0" pageNumber="109">5</figureCitation>
); notauli distinctly present in posterior one third of scutum and medial sulcus absent in the new species, whereas complete and distinctly in
<taxonomicName class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="P setosus" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="setosus">
<emphasis italics="true" pageId="0" pageNumber="109">P setosus</emphasis>
</taxonomicName>
(
<bibRefCitation DOI="https://doi.org/10.1603/AN11017" author="Wang, Y" journalOrPublisher="Annals of the Entomological Society of America" pageId="0" pageNumber="109" pagination="377 - 385" refId="B44" refString="Wang, Y, Liu, Z, Chen, X, 2012. Eastern Palaearctic cynipid inquilines-the genus Ceroptres Hartig, 1840 with descriptions of two new species (Hymenoptera: Cynipidae: Cynipinae). Annals of the Entomological Society of America 105 (3): 377 - 385, DOI: https://doi.org/10.1603/AN11017" title="Eastern Palaearctic cynipid inquilines-the genus Ceroptres Hartig, 1840 with descriptions of two new species (Hymenoptera: Cynipidae: Cynipinae)." url="https://doi.org/10.1603/AN11017" volume="105" year="2012">Wang et al., 2012</bibRefCitation>
) (Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">7</figureCitation>
); lateral surface of pronotum entirely coriaceous with evenly distributed dense setigerous punctures (Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">8</figureCitation>
) in the new species, but in the latter lateral surface of pronotum glabrous, with sparse setigerous punctures ventrolaterally. The new species is also similar to
<taxonomicName authorityName="Belizin" authorityYear="1968" class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="P capillatus" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="capillatus">
<emphasis italics="true" pageId="0" pageNumber="109">P capillatus</emphasis>
</taxonomicName>
Belizin, 1968. It differs from
<taxonomicName authorityName="Belizin" authorityYear="1968" class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="P capillatus" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="capillatus">
<emphasis italics="true" pageId="0" pageNumber="109">P capillatus</emphasis>
</taxonomicName>
in the mesoscutum glabrous with piliferous punctures and dense appressed pubescence in the new species, whereas with piliferous points and sparse pubescence in
<taxonomicName authorityName="Belizin" authorityYear="1968" class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="P capillatus" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="capillatus">
<emphasis italics="true" pageId="0" pageNumber="109">P capillatus</emphasis>
</taxonomicName>
(Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">7</figureCitation>
); notauli distinctly present in posterior one third of scutum and medial sulcus absent in the new species, whereas incomplete or very weakly impressed anteriorly in
<taxonomicName authorityName="Belizin" authorityYear="1968" class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="P capillatus" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="capillatus">
<emphasis italics="true" pageId="0" pageNumber="109">P capillatus</emphasis>
</taxonomicName>
(Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">7</figureCitation>
); fused metasomal tergites T2+T3 anterolaterally with a patch of sparse white setae, mostly smooth except for minute punctures on laterally posterior half and a narrow band of punctures along posterior margin, whereas in the latter metasomal tergites fused (T2+T3) smooth, with an anterolateral patch of white setae, and the subsequent segments glabrous with micropunctures (Figs
<figureCitation captionStart="Figures 16" captionStartId="F1" captionText="Figures 1 - 6. Periclistus orientalis sp. nov. 1 general habitus (♀) 2 general habitus (♂) 3 antenna (♀) 4 antenna (♂) 5 head in anterior view (♀) 6 head in anterior view (♂)." figureDoi="10.3897/zookeys.964.47441.figures1-6" httpUri="https://binary.pensoft.net/fig/446563" pageId="0" pageNumber="109">1</figureCitation>
,
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">9</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.964.47441.figures1-6" httpUri="https://binary.pensoft.net/fig/446563" pageId="0" pageNumber="109" start="Figures 16" startId="F1">
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" pageId="0" pageNumber="109">Figures 1-6.</emphasis>
<taxonomicName authorityName="Pang, Liu &amp; Zhu" authorityYear="2020" class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Periclistus orientalis" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="orientalis">
<emphasis italics="true" pageId="0" pageNumber="109">Periclistus orientalis</emphasis>
</taxonomicName>
sp. nov.
<emphasis bold="true" pageId="0" pageNumber="109">1</emphasis>
general habitus (♀)
<emphasis bold="true" pageId="0" pageNumber="109">2</emphasis>
general habitus (♂)
<emphasis bold="true" pageId="0" pageNumber="109">3</emphasis>
antenna (♀)
<emphasis bold="true" pageId="0" pageNumber="109">4</emphasis>
antenna (♂)
<emphasis bold="true" pageId="0" pageNumber="109">5</emphasis>
head in anterior view (♀)
<emphasis bold="true" pageId="0" pageNumber="109">6</emphasis>
head in anterior view (♂).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="description">
<paragraph pageId="0" pageNumber="109">Description.</paragraph>
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" pageId="0" pageNumber="109">
Female:
<emphasis italics="true" pageId="0" pageNumber="109">Body</emphasis>
</emphasis>
length 2.7-2.8mm (
<emphasis italics="true" pageId="0" pageNumber="109">N</emphasis>
= 5).
</paragraph>
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" pageId="0" pageNumber="109">
<emphasis italics="true" pageId="0" pageNumber="109">Coloration</emphasis>
.
</emphasis>
Head completely black. Antenna uniformly light brown. Front and middle legs reddish brown, except coxa and claw black; hind legs black, except tarsomeres 1 and 5 reddish brown. Mandible and maxilla reddish brown, labial palpi light brown. Mesosoma black; metasoma mostly reddish brown in anterior half, and dark in dorsal half. Ventral spine of hypopygium reddish brown.
</paragraph>
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" italics="true" pageId="0" pageNumber="109">Antenna</emphasis>
filiform with ten flagellomeres, slightly tapering toward apex; pedicel 1.67 times as long as broad; relative lengths of scape, pedicel and F1-F10: 9:5:10:10:10:9:8:8:7:6:6:13 (Fig.
<figureCitation captionStart="Figures 16" captionStartId="F1" captionText="Figures 1 - 6. Periclistus orientalis sp. nov. 1 general habitus (♀) 2 general habitus (♂) 3 antenna (♀) 4 antenna (♂) 5 head in anterior view (♀) 6 head in anterior view (♂)." figureDoi="10.3897/zookeys.964.47441.figures1-6" httpUri="https://binary.pensoft.net/fig/446563" pageId="0" pageNumber="109">3</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" italics="true" pageId="0" pageNumber="109">Head</emphasis>
coriaceous, with sparse setae, 2.0 times as broad as long in dorsal view, 1.24 times as wide as high and slightly broader than mesosoma in dorsal view. Gena delicately coriaceous and not broadened behind eyes. Malar space 0.27 times as high as height of eye. Lower face with striae radiating from clypeus and reaching eyes and antennal socket, entirely densely punctate with white, long, and appressed setae; median area slightly elevated, delicately coriaceous, lateral carinae bordering median area complete from clypeus to antennal socket and about as strong as radiating striae on lateral areas of lower face. Clypeus inversely trapezoid, ventral margin straight, and delicately coriaceous with dense long setae; anterior tentorial pits indistinct; epistomal sulcus and clypeo-pleurostomal lines indistinct. Transfacial distance longer than height of eye; distance between inner margin of eye and outer rim of antennal torulus slightly longer than distance between antennal toruli, all larger than diameter of torulus (Fig.
<figureCitation captionStart="Figures 16" captionStartId="F1" captionText="Figures 1 - 6. Periclistus orientalis sp. nov. 1 general habitus (♀) 2 general habitus (♂) 3 antenna (♀) 4 antenna (♂) 5 head in anterior view (♀) 6 head in anterior view (♂)." figureDoi="10.3897/zookeys.964.47441.figures1-6" httpUri="https://binary.pensoft.net/fig/446563" pageId="0" pageNumber="109">5</figureCitation>
). Ratios of POL/OOL, POL/LOL, and LOL/OOL1.3, 1.8 and 0.7, respectively. Frons, vertex and gena behind eyes, and postgena with sparse setigerous punctures; setae long and white. Frons coriarious and smooth, with scattered punctures. Vertex smooth and evenly punctate with long setae (Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">7</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" italics="true" pageId="0" pageNumber="109">Mesosoma</emphasis>
longer than high in lateral view and with white setae. Pronotum median length nearly one third of length of outer lateral margin; anterior lateral depressions medially separated broadly from each other, laterally open, continuing to a distinct furrow; posterior rim of anterior lateral depressions extending dorsally to reach posterior margin of pronotum, distinctly separating anterior plate from lateral pronotal areas. Anterior plate of pronotum delicately coriaceous, posteriorly with shallowly punctate and sparsely setose (Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">7</figureCitation>
); lateral pronotal areas coriaceous, entirely densely punctate with appressed long setae, without glabrous ventral nude area (Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">8</figureCitation>
). Mesoscutum smooth and shiny, slightly broader than long, distinctly depressed anteriorly, with evenly dispersed piliferous punctures; anteroadmedian signum absent, notauli distinctly present in posterior one third of scutum, medial sulcus absent, parapsidal signa present in posterior half and absent anteriorly (Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">7</figureCitation>
). Scutellar foveae large, deeply impressed, glabrous, separated by a broad median carina (Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">7</figureCitation>
). Mesoscutellum about as broad as long, rugose and foveolate with sparse, appressed setae (Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">7</figureCitation>
). Mesopleuron distinctly higher than broad, glabrous and shining, devoid of striation and pubescence, except for pubescence along ventral margin (Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">8</figureCitation>
); mesopleural triangle glabrous, not separated from rest of mesopleuron by a ventral carina. Metapleural sulcus reaching mesopleuron in upper one fourth of its height; metapleuron rugulose with long setae; metanotum slightly overhanging. Lateral propodeal carinae distinct and evenly curved outwards; median propodeal area rugose foveolate; lateral propodeal areas with dense setae (Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">10</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109" start="Figures 711" startId="F2">
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" pageId="0" pageNumber="109">Figures 7-11.</emphasis>
<taxonomicName authorityName="Pang, Liu &amp; Zhu" authorityYear="2020" class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Periclistus orientalis" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="orientalis">
<emphasis italics="true" pageId="0" pageNumber="109">Periclistus orientalis</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="109">7</emphasis>
head and mesosoma in dorsal view (♀, similar in ♂)
<emphasis bold="true" pageId="0" pageNumber="109">8</emphasis>
mesosoma in lateral view (♀)
<emphasis bold="true" pageId="0" pageNumber="109">9</emphasis>
metasoma in lateral view (♀)
<emphasis bold="true" pageId="0" pageNumber="109">10</emphasis>
propodeum in dorsal view (♀)
<emphasis bold="true" pageId="0" pageNumber="109">11</emphasis>
propodeum in dorsal view (♂).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" italics="true" pageId="0" pageNumber="109">Forewing</emphasis>
with distinct veins R+Sc, R1+Sc, R1, M, M+Cu1, Cu1, Cu1b, Cu1a, 2r and Rs+M; areolet distinct and large; radial cell closed, 3.3 times as long as wide; all visible veins dark brown (Fig.
<figureCitation captionStart="Figures 16" captionStartId="F1" captionText="Figures 1 - 6. Periclistus orientalis sp. nov. 1 general habitus (♀) 2 general habitus (♂) 3 antenna (♀) 4 antenna (♂) 5 head in anterior view (♀) 6 head in anterior view (♂)." figureDoi="10.3897/zookeys.964.47441.figures1-6" httpUri="https://binary.pensoft.net/fig/446563" pageId="0" pageNumber="109">1</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" italics="true" pageId="0" pageNumber="109">Metasoma</emphasis>
nearly as long as head and mesosoma combined, distinctly longer than height in lateral view, distinctly punctate posteriorly. Metasomal tergites 2+3 with some setae ventrally. Prominent part of ventral spine of hypopygium very short (Fig.
<figureCitation captionStart="Figures 711" captionStartId="F2" captionText="Figures 7 - 11. Periclistus orientalis 7 head and mesosoma in dorsal view (♀, similar in ♂) 8 mesosoma in lateral view (♀) 9 metasoma in lateral view (♀) 10 propodeum in dorsal view (♀) 11 propodeum in dorsal view (♂)." figureDoi="10.3897/zookeys.964.47441.figures7-11" httpUri="https://binary.pensoft.net/fig/446564" pageId="0" pageNumber="109">9</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" pageId="0" pageNumber="109">Male</emphasis>
: Similar to female, but different as follows. Antenna with 12 flagellomeres, pedicel 2.5 times as long as broad. F1 strongly curved medially. Relative lengths of scape, pedicel and F1-F12: 7:5:13:12:7:7:6:6:5:5:5:5:4:7 (Fig.
<figureCitation captionStart="Figures 16" captionStartId="F1" captionText="Figures 1 - 6. Periclistus orientalis sp. nov. 1 general habitus (♀) 2 general habitus (♂) 3 antenna (♀) 4 antenna (♂) 5 head in anterior view (♀) 6 head in anterior view (♂)." figureDoi="10.3897/zookeys.964.47441.figures1-6" httpUri="https://binary.pensoft.net/fig/446563" pageId="0" pageNumber="109">4</figureCitation>
). Second and third metasomal tergites not fused, separated by a suture (Fig.
<figureCitation captionStart="Figures 16" captionStartId="F1" captionText="Figures 1 - 6. Periclistus orientalis sp. nov. 1 general habitus (♀) 2 general habitus (♂) 3 antenna (♀) 4 antenna (♂) 5 head in anterior view (♀) 6 head in anterior view (♂)." figureDoi="10.3897/zookeys.964.47441.figures1-6" httpUri="https://binary.pensoft.net/fig/446563" pageId="0" pageNumber="109">2</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="biology_ecology">
<paragraph pageId="0" pageNumber="109">Biology.</paragraph>
<paragraph pageId="0" pageNumber="109">
All specimens were reared from galls collected from
<taxonomicName class="Magnoliopsida" family="Rosaceae" genus="Rosa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Rosa multiflora" order="Rosales" pageId="0" pageNumber="109" phylum="Tracheophyta" rank="species" species="multiflora">
<emphasis italics="true" pageId="0" pageNumber="109">Rosa multiflora</emphasis>
</taxonomicName>
, and the galls were very similar in morphology to those made by
<taxonomicName class="Insecta" family="Cynipidae" genus="Diplolepis" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Diplolepis japonica" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="japonica">
<emphasis italics="true" pageId="0" pageNumber="109">Diplolepis japonica</emphasis>
</taxonomicName>
: fleshy and spherical with pointed spikes on top, pinkish green to greenish yellow in color, and located on rachis or central vein of leaflets of both upper and under sides (Fig.
<figureCitation captionStart="Figure 20" captionStartId="F4" captionText="Figure 20. Galls on Rosa multiflora, from which specimens of Periclistus orientalis were reared." figureDoi="10.3897/zookeys.964.47441.figure20" httpUri="https://binary.pensoft.net/fig/446566" pageId="0" pageNumber="109">20</figureCitation>
). Nonetheless, the identity of the host gall maker remains reclusive since our rearing yielded no specimen of the putative gall maker. The galls were collected from April through August, and specimens of
<taxonomicName lsidName="P. orientalis" pageId="0" pageNumber="109" rank="species" species="orientalis">
<emphasis italics="true" pageId="0" pageNumber="109">P. orientalis</emphasis>
</taxonomicName>
emerged in early May from galls collected in April.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="distribution">
<paragraph pageId="0" pageNumber="109">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="109">Known from Zhuzhou City, Hunan Province, China.</paragraph>
<paragraph pageId="0" pageNumber="109">
The known species of
<taxonomicName class="Insecta" family="Cynipidae" genus="Periclistus" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Periclistus" order="Hymenoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="109">Periclistus</emphasis>
</taxonomicName>
in the Eastern Palearctic can be identified using the following taxonomic key modified from
<bibRefCitation DOI="https://doi.org/10.3897/zookeys.596.5945" author="Pujade-Villar, J" journalOrPublisher="ZooKeys" pageId="0" pageNumber="109" pagination="65 - 75" refId="B25" refString="Pujade-Villar, J, Wang, YP, Guo, R, Chen, XX, 2016. Revision on Palaearctic species of Periclistus Foerster with description of a new species and its host plant gall (Hymenoptera, Cynipidae). ZooKeys 596: 65 - 75, DOI: https://doi.org/10.3897/zookeys.596.5945" title="Revision on Palaearctic species of Periclistus Foerster with description of a new species and its host plant gall (Hymenoptera, Cynipidae)." url="https://doi.org/10.3897/zookeys.596.5945" volume="596" year="2016">Pujade-Villar et al. (2016)</bibRefCitation>
to accommodate the new species.
</paragraph>
</subSubSection>
</treatment>
</document>