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<document id="3ED334471622BFAA24F8A46D93B1819E" ID-CLB-Dataset="2972" ID-DOI="10.11646/palaeoentomology.4.6.12" ID-GBIF-Dataset="31a1f5f3-e9af-4bb5-a22a-c1f002c33c70" ID-ISSN="2624-2834" ID-Zenodo-Dep="5778500" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1639468871530" checkinUser="plazi" docAuthor="Zheng, Yan, Kopylov, Dmitry S., Zhang, Qi, Zhang, Hai-Guang, Qin, Min, Chen, Jun &amp; Zhang, Hai-Chun" docDate="2021" docId="03DA87EEC761FFD3FC88FCABAB097AF1" docLanguage="en" docName="palaeoentomology.4.6.12.pdf" docOrigin="Palaeoentomology 4 (6)" docStyle="DocumentStyle:4EE6FD780FF4521D541D0D0600705D0E.4:Palaeoentomology.2018-.journal_article" docStyleId="4EE6FD780FF4521D541D0D0600705D0E" docStyleName="Palaeoentomology.2018-.journal_article" docStyleVersion="4" docTitle="Grandixyela Zheng 2021, gen. nov." docType="treatment" docVersion="7" lastPageNumber="630" masterDocId="FFE3FF96C760FFD1FFA2FF89A9057B45" masterDocTitle="Discovery of a new symphytan wasp in the mid-Cretaceous Kachin amber (Hymenoptera, Syspastoxyelidae)" masterLastPageNumber="636" masterPageNumber="629" pageNumber="630" updateTime="1699472355399" updateUser="ExternalLinkService">
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<mods:title id="95A4D17090CCA13B77EA4AB31C17F6BA">Discovery of a new symphytan wasp in the mid-Cretaceous Kachin amber (Hymenoptera, Syspastoxyelidae)</mods:title>
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<mods:namePart id="DCA66050BDD6B2ABA46282DFFCC9B56B">Zheng, Yan</mods:namePart>
<mods:affiliation id="07706CEF8C104249001B27B6192A7869">Institute of Geology and Paleontology, Linyi University, Shuangling Road, Linyi, 276000, China &amp; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing, 210008, China</mods:affiliation>
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<mods:namePart id="AE324D005B3FB8AA0A0927352EB74BB7">Kopylov, Dmitry S.</mods:namePart>
<mods:affiliation id="1F248AC277DC1BBD10E1F65EE81373AE">A. A. Borissiak Palaeontological Institute, Russian Academy of Sciences, Moscow, 117647 Russia &amp; Cherepovets State University, Cherepovets, 162600 Russia</mods:affiliation>
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<mods:namePart id="C2364C83C4436B595FFDF6CFE27F7E86">Zhang, Qi</mods:namePart>
<mods:affiliation id="E28B584C70C3EB7FE1BE9F309360DC09">School of Geography and Tourism, Qufu Normal University, Rizhao, 276826, China</mods:affiliation>
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<mods:namePart id="0F79C830EDF874B51E1AA40A0898AF24">Zhang, Hai-Guang</mods:namePart>
<mods:affiliation id="343B39702291B50399B532E5D37BA57A">Institute of Geology and Paleontology, Linyi University, Shuangling Road, Linyi, 276000, China</mods:affiliation>
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<mods:namePart id="07AD56DB26F7A6C84A20D238CED0BA86">Qin, Min</mods:namePart>
<mods:affiliation id="39B33781A62AE0B47F23B738FF0CC236">Institute of Geology and Paleontology, Linyi University, Shuangling Road, Linyi, 276000, China</mods:affiliation>
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<mods:namePart id="D52EA7C4C7B10E838E22F44C0D384CF9">Chen, Jun</mods:namePart>
<mods:affiliation id="E4C9A7CD2FEE16C4D12BBAEB66928BC0">Institute of Geology and Paleontology, Linyi University, Shuangling Road, Linyi, 276000, China</mods:affiliation>
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<mods:namePart id="DBDDDD508C525A604CD185757FCD580B">Zhang, Hai-Chun</mods:namePart>
<mods:affiliation id="80CB6C0F178A5D0196B3A68F08AAB714">State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing, 210008, China</mods:affiliation>
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<mods:title id="92704ACCDE11957984A33219475CD37C">Palaeoentomology</mods:title>
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<mods:date id="9C3E26FD2384AD66B67B5DED60FC6FED">2021</mods:date>
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<mods:number id="3178683E00FA36086CF9D1AB067CAC92">2021-12-14</mods:number>
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<mods:classification id="355CD205E8EE3A3B8B29BDD06FCF9F77">journal article</mods:classification>
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<treatment id="03DA87EEC761FFD3FC88FCABAB097AF1" ID-DOI="http://doi.org/10.5281/zenodo.5779890" ID-GBIF-Taxon="191561758" ID-Zenodo-Dep="5779890" LSID="urn:lsid:plazi:treatment:03DA87EEC761FFD3FC88FCABAB097AF1" httpUri="http://treatment.plazi.org/id/03DA87EEC761FFD3FC88FCABAB097AF1" lastPageId="2" lastPageNumber="630" pageId="1" pageNumber="630">
<subSubSection id="C3696573C761FFD0FC88FCABADD37879" box="[810,1238,802,829]" pageId="1" pageNumber="630" type="nomenclature">
<paragraph id="8BCC36F8C761FFD0FC88FCABADD37879" blockId="1.[810,1238,802,829]" box="[810,1238,802,829]" pageId="1" pageNumber="630">
<heading id="D0848194C761FFD0FC88FCABADD37879" box="[810,1238,802,829]" fontSize="10" level="2" pageId="1" pageNumber="630" reason="2">
<emphasis id="B907EAEAC761FFD0FC88FCABADD37879" bold="true" box="[810,1238,802,829]" pageId="1" pageNumber="630">
Genus
<taxonomicName id="4C734D7BC761FFD0FCDFFCABAD647879" authority="Zheng" authorityName="Zheng" authorityYear="2021" box="[893,1121,802,829]" class="Insecta" family="Syspastoxyelidae" genus="Grandixyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B907EAEAC761FFD0FCDFFCABAD097878" bold="true" box="[893,1036,802,829]" italics="true" pageId="1" pageNumber="630">Grandixyela</emphasis>
Zheng
</taxonomicName>
,
<taxonomicNameLabel id="A2345791C761FFD0FBCFFCABADD37879" box="[1133,1238,802,828]" pageId="1" pageNumber="630" rank="genus">gen. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
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<subSubSection id="C3696573C761FFD0FC88FCE3AC8678C1" box="[810,1411,874,900]" pageId="1" pageNumber="630" type="type_taxon">
<paragraph id="8BCC36F8C761FFD0FC88FCE3AC8678C1" blockId="1.[810,1452,874,2093]" box="[810,1411,874,900]" pageId="1" pageNumber="630">
<emphasis id="B907EAEAC761FFD0FC88FCE3AAC078C1" bold="true" box="[810,965,874,900]" pageId="1" pageNumber="630">
<typeStatus id="54C8885AC761FFD0FC88FCE3AA6078C1" box="[810,869,874,900]" pageId="1" pageNumber="630">Type</typeStatus>
species.
</emphasis>
<taxonomicName id="4C734D7BC761FFD0FC6EFCE3AC1B78C1" authority="Zheng" authorityName="Zheng &amp; Kopylov &amp; Zhang &amp; Zhang &amp; Qin &amp; Chen &amp; Zhang" authorityYear="2021" box="[972,1310,874,900]" class="Insecta" family="Syspastoxyelidae" genus="Grandixyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="species" species="rasnitsyni" status="sp. nov.">
<emphasis id="B907EAEAC761FFD0FC6EFCE3ADC878C1" box="[972,1229,874,900]" italics="true" pageId="1" pageNumber="630">Grandixyela rasnitsyni</emphasis>
Zheng
</taxonomicName>
,
<emphasis id="B907EAEAC761FFD0FA88FCE3AC8678C1" bold="true" box="[1322,1411,874,900]" pageId="1" pageNumber="630">
<taxonomicNameLabel id="A2345791C761FFD0FA88FCE3AC8678C1" box="[1322,1411,874,900]" pageId="1" pageNumber="630" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="C3696573C761FFD0FCFDFC06AD0778B4" pageId="1" pageNumber="630" type="etymology">
<paragraph id="8BCC36F8C761FFD0FCFDFC06AD0778B4" blockId="1.[810,1452,874,2093]" pageId="1" pageNumber="630">
<emphasis id="B907EAEAC761FFD0FCFDFC06AAE378EC" bold="true" box="[863,998,911,937]" pageId="1" pageNumber="630">Etymology.</emphasis>
The generic name derives from the Latin “grandis” meaning large and the generic name
<taxonomicName id="4C734D7BC761FFD0FA91FC3AAC767888" authorityName="Dalman" authorityYear="1819" box="[1331,1395,947,973]" class="Insecta" family="Xyelidae" genus="Xyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC761FFD0FA91FC3AAC767888" box="[1331,1395,947,973]" italics="true" pageId="1" pageNumber="630">Xyela</emphasis>
</taxonomicName>
. The gender is feminine.
</paragraph>
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<subSubSection id="C3696573C761FFD0FCFDFC72ADF27E83" pageId="1" pageNumber="630" type="diagnosis">
<paragraph id="8BCC36F8C761FFD0FCFDFC72ADF27E83" blockId="1.[810,1452,874,2093]" pageId="1" pageNumber="630">
<emphasis id="B907EAEAC761FFD0FCFDFC72AADC7F50" bold="true" box="[863,985,1019,1045]" pageId="1" pageNumber="630">Diagnosis.</emphasis>
Head large and broad. Antennal thread (remaining portion of flagellum, that is, flagellomeres 213) 12-segmented and distinctly longer than first flagellomere. Pronotum distinctly shorter than wide. Pterostigma narrow (3.6× as long as wide), completely sclerotized.2r-rs positioned near midlength of pterostigma. 1-RS elongate (not dot-like), much shorter than 1-M. RS distal of 2r-rs gently curved S-like, reaching wing margin scarcely beyond pterostigma. RS+M arched. Cell 1mcu slightly longer than wide, nearly pentagon-shaped. Crossvein 2m-cu gently bent, r-m and 2cu-a meeting at distinct angle. Fore tibia with a row of thick setae at flexor surface. Femora not particularly swollen.
</paragraph>
</subSubSection>
<subSubSection id="C3696573C761FFD3FCFDFA58AB097AF1" lastPageId="2" lastPageNumber="631" pageId="1" pageNumber="630" type="discussion">
<paragraph id="8BCC36F8C761FFD0FCFDFA58AAB37C11" blockId="1.[810,1452,874,2093]" pageId="1" pageNumber="630">
<emphasis id="B907EAEAC761FFD0FCFDFA58AAD67EAE" bold="true" box="[863,979,1489,1515]" pageId="1" pageNumber="630">Remarks.</emphasis>
<taxonomicName id="4C734D7BC761FFD0FBA6FA59AD957EAF" authorityName="Zheng" authorityYear="2021" box="[1028,1168,1488,1514]" class="Insecta" family="Syspastoxyelidae" genus="Grandixyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC761FFD0FBA6FA59AD957EAF" box="[1028,1168,1488,1514]" italics="true" pageId="1" pageNumber="630">Grandixyela</emphasis>
</taxonomicName>
is assigned to
<taxonomicName id="4C734D7BC761FFD0FC88FA7DAAE97D4B" authorityName="Engel &amp; Huang" authorityYear="2016" box="[810,1004,1524,1550]" class="Insecta" family="Syspastoxyelidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="family">Syspastoxyelidae</taxonomicName>
based on the synapomorphies of the family including forewing venation strongly contracted basally, with distal 0.4 of wing veinless and densely longitudinally corrugated, antennal thread with much elongated composite first flagellomere, cerci 3-segmented and tibiae strongly spinose.
<taxonomicName id="4C734D7BC761FFD0FBC8F920ADF37D86" authorityName="Zheng" authorityYear="2021" box="[1130,1270,1705,1731]" class="Insecta" family="Syspastoxyelidae" genus="Grandixyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC761FFD0FBC8F920ADF37D86" box="[1130,1270,1705,1731]" italics="true" pageId="1" pageNumber="630">Grandixyela</emphasis>
</taxonomicName>
is distinct from all known syspastoxyelids by the narrow and completely sclerotized pterostigma and, except for
<taxonomicName id="4C734D7BC761FFD0FAA5F978ACA17C4E" authorityName="Engel &amp; Huang" authorityYear="2016" box="[1287,1444,1777,1803]" class="Insecta" family="Syspastoxyelidae" genus="Syspastoxyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC761FFD0FAA5F978ACA17C4E" box="[1287,1444,1777,1803]" italics="true" pageId="1" pageNumber="630">Syspastoxyela</emphasis>
</taxonomicName>
, by RS reaching wing margin at a short distance from pterostigma.
</paragraph>
<paragraph id="8BCC36F8C761FFD3FCFDF8D7AB097AF1" blockId="1.[810,1452,874,2093]" lastBlockId="2.[136,778,158,437]" lastPageId="2" lastPageNumber="631" pageId="1" pageNumber="630">
<taxonomicName id="4C734D7BC761FFD0FCFDF8D7AAEE7C3D" authorityName="Zheng" authorityYear="2021" box="[863,1003,1886,1912]" class="Insecta" family="Syspastoxyelidae" genus="Grandixyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC761FFD0FCFDF8D7AAEE7C3D" box="[863,1003,1886,1912]" italics="true" pageId="1" pageNumber="630">Grandixyela</emphasis>
</taxonomicName>
is distinguished from other genera in having pronotum short (
<emphasis id="B907EAEAC761FFD0FB8DF80AAD437CD9" box="[1071,1094,1923,1948]" italics="true" pageId="1" pageNumber="630">vs</emphasis>
. pronotum remarkably elongate; a unique feature in
<taxonomicName id="4C734D7BC761FFD0FBA8F82FAD867C85" authorityName="Wang, Shih, Ren &amp; Gao" authorityYear="2019" box="[1034,1155,1958,1984]" class="Insecta" family="Syspastoxyelidae" genus="Deltoxyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC761FFD0FBA8F82FAD867C85" box="[1034,1155,1958,1984]" italics="true" pageId="1" pageNumber="630">Deltoxyela</emphasis>
</taxonomicName>
); pterostigma narrow and completely sclerotized (
<emphasis id="B907EAEAC761FFD0FBE1F842AD5F7CA1" box="[1091,1114,1995,2020]" italics="true" pageId="1" pageNumber="630">vs</emphasis>
. narrow and not sclerotized in
<taxonomicName id="4C734D7BC761FFD0FCF1F867AADC734D" authorityName="Zheng &amp; Rasnitsyn" authorityYear="2021" box="[851,985,2030,2056]" class="Insecta" family="Syspastoxyelidae" genus="Pinguixyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC761FFD0FCF1F867AADC734D" box="[851,985,2030,2056]" italics="true" pageId="1" pageNumber="630">Pinguixyela</emphasis>
</taxonomicName>
, wide and completely sclerotized in
<taxonomicName id="4C734D7BC761FFD0FC88F79BAAA67369" authorityName="Wang, Shih, Ren &amp; Gao" authorityYear="2019" box="[810,931,2066,2092]" class="Insecta" family="Syspastoxyelidae" genus="Deltoxyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC761FFD0FC88F79BAAA67369" box="[810,931,2066,2092]" italics="true" pageId="1" pageNumber="630">Deltoxyela</emphasis>
</taxonomicName>
,
<taxonomicName id="4C734D7BC761FFD0FC15F79BAD387369" authorityName="Zheng &amp; Rasnitsyn" authorityYear="2021" box="[951,1085,2066,2092]" class="Insecta" family="Syspastoxyelidae" genus="Pinguixyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC761FFD0FC15F79BAD387369" box="[951,1085,2066,2092]" italics="true" pageId="1" pageNumber="630">Pinguixyela</emphasis>
</taxonomicName>
and
<taxonomicName id="4C734D7BC761FFD0FBDCF79BADF97369" authorityName="Zheng" authorityYear="2019" box="[1150,1276,2066,2092]" class="Insecta" family="Syspastoxyelidae" genus="Striaexyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="1" pageNumber="630" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC761FFD0FBDCF79BADF97369" box="[1150,1276,2066,2092]" italics="true" pageId="1" pageNumber="630">Striaexyela</emphasis>
</taxonomicName>
, wide and not sclerotized in
<taxonomicName id="4C734D7BC762FFD3FE89FF17A8CD7BFD" authorityName="Engel &amp; Huang" authorityYear="2016" box="[299,456,158,184]" class="Insecta" family="Syspastoxyelidae" genus="Syspastoxyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="2" pageNumber="631" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC762FFD3FE89FF17A8CD7BFD" box="[299,456,158,184]" italics="true" pageId="2" pageNumber="631">Syspastoxyela</emphasis>
</taxonomicName>
); RS reaching wing margin beyond apex of pterostigma (
<emphasis id="B907EAEAC762FFD3FE6FFF4AA8E17B99" box="[461,484,195,220]" italics="true" pageId="2" pageNumber="631">vs</emphasis>
. joining pterostigma in all genera but
<taxonomicName id="4C734D7BC762FFD3FEA3FF6FA89B7A45" authorityName="Engel &amp; Huang" authorityYear="2016" box="[257,414,230,256]" class="Insecta" family="Syspastoxyelidae" genus="Syspastoxyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="2" pageNumber="631" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC762FFD3FEA3FF6FA89B7A45" box="[257,414,230,256]" italics="true" pageId="2" pageNumber="631">Syspastoxyela</emphasis>
</taxonomicName>
), 1-RS elongate, not dot-like (
<emphasis id="B907EAEAC762FFD3FD49FF6EAA077A45" box="[747,770,231,256]" italics="true" pageId="2" pageNumber="631">vs</emphasis>
. dot-like in
<taxonomicName id="4C734D7BC762FFD3FEA4FE83A8887A61" authorityName="Zheng &amp; Rasnitsyn" authorityYear="2021" box="[262,397,266,292]" class="Insecta" family="Syspastoxyelidae" genus="Burmoxyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="2" pageNumber="631" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC762FFD3FEA4FE83A8887A61" box="[262,397,266,292]" italics="true" pageId="2" pageNumber="631">Burmoxyela</emphasis>
</taxonomicName>
), 2r-rs positioned near midlength of pterostigma (
<emphasis id="B907EAEAC762FFD3FEE3FEA6A85D7A0D" box="[321,344,303,328]" italics="true" pageId="2" pageNumber="631">vs</emphasis>
. near one-third length of pterostigma in
<taxonomicName id="4C734D7BC762FFD3FF08FEDBA8357A29" authorityName="Zheng &amp; Rasnitsyn" authorityYear="2021" box="[170,304,338,364]" class="Insecta" family="Syspastoxyelidae" genus="Pinguixyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="2" pageNumber="631" phylum="Arthropoda" rank="genus">
<emphasis id="B907EAEAC762FFD3FF08FEDBA8357A29" box="[170,304,338,364]" italics="true" pageId="2" pageNumber="631">Pinguixyela</emphasis>
</taxonomicName>
). With the body almost
<quantity id="4C8B9B1DC762FFD3FDFAFEDBAB9B7A28" box="[600,670,338,365]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="2" pageNumber="631" unit="mm" value="5.0">5 mm</quantity>
long,
<taxonomicName id="4C734D7BC762FFD3FD4CFEDAA9F37AD5" authorityName="Zheng &amp; Kopylov &amp; Zhang &amp; Zhang &amp; Qin &amp; Chen &amp; Zhang" authorityYear="2021" class="Insecta" family="Syspastoxyelidae" genus="Grandixyela" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="2" pageNumber="631" phylum="Arthropoda" rank="species" species="rasnitsyni">
<emphasis id="B907EAEAC762FFD3FD4CFEDAAA077A28" box="[750,770,339,365]" italics="true" pageId="2" pageNumber="631">G</emphasis>
.
<emphasis id="B907EAEAC762FFD3FF2AFEFEA9F37AD5" box="[136,246,375,400]" italics="true" pageId="2" pageNumber="631">rasnitsyni</emphasis>
</taxonomicName>
is the largest syspastoxyelid sawfly known. All comparisons are shown in
<tableCitation id="C6F10343C762FFD3FE10FE13AB037AF1" box="[434,518,410,436]" captionStart="TABLE 1" captionStartId="2.[136,224,1236,1260]" captionTargetPageId="2" captionText="TABLE 1. Character distribution among the identified Cretaceous amber taxa of Syspastoxyelidae." httpUri="http://table.plazi.org/id/DF0C6670C762FFD3FF2AFB5DADA97FA9" pageId="2" pageNumber="631" tableUuid="DF0C6670C762FFD3FF2AFB5DADA97FA9">Table 1</tableCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>