{{Short description|Genus of wasps}} {{Automatic taxobox | image = Periclistus caninae 17790.jpg | image_caption = A female ''Periclistus caninae'' | display_parents = 2 | taxon = Periclistus | authority = Förster, 1869 }} [[File:Periclistus, Photo 561275741.jpg|thumb|''Periclistus'' in galls observed at Convict Lake, California]]
'''''Periclistus''''' is a genus of gall wasps in the tribe Diastrophini, formerly included in the tribe Synergini.<ref name=":0">{{Cite journal |last1=Buffington |first1=Matthew L |last2=Forshage |first2=Mattias |last3=Liljeblad |first3=Johan |last4=Tang |first4=Chang-Ti |last5=Van Noort |first5=Simon |date=2020 |title=World Cynipoidea (Hymenoptera): a key to higher-level groups |url= |journal=Insect Systematics and Diversity |volume=4 |issue=4 |article-number=1 |doi=10.1093/isd/ixaa003 }}</ref> There are at least 17 described species in ''Periclistus.''<ref name=":0" /><ref name=":1" /> Species from this genus are associated with host plants in the rose family, where in a phenomenon called agastoparasitism, they inquiline in the galls of at least four related species, ''Diastrophus, Diplolepis, Liebelia,'' and ''Xestophanes.''<ref name=":1">{{Cite web |last=van Noort |first=Simon |title=Hymenoptera of the World |url=https://www.waspweb.org/Cynipoidea/Cynipidae/Cynipinae/Diastrophini/Periclistus/index.htm |access-date=October 2, 2025 |website=WaspWeb}}</ref><ref>{{Cite journal |last1=Pang |first1=Yin |last2=Liu |first2=Zhiwei |last3=Su |first3=Cheng-Yuan |last4=Zhu |first4=Dao-Hong |date=2020 |title=A new species of Periclistus Foerster, 1869 from China and review of the tribe Diastrophini (Hymenoptera, Cynipoidea, Cynipidae) |journal=ZooKeys |issue=964 |pages=109–126 |doi=10.3897/zookeys.964.47441 |doi-access=free |pmid=32939148 |pmc=7471133 |bibcode=2020ZooK..964..109P }}</ref>
== Species == Species in the genus ''Periclistus'' include the following:<ref name=":1" />
* ''Periclistus arefactus'' <small>(McCracken & Egbert, 1922)</small> * ''Periclistus brandtii'' <small>(Ratzeburg, 1832)</small> * ''Periclistus californicus'' <small>(Ashmead, 1896)</small> * ''Periclistus caninae'' <small>(Hartig, 1840)</small> * ''Periclistus capillatus'' <small>(Belizin, 1968)</small> * ''Periclistus mongolicus'' <small>(Belizin, 1973)</small> * ''Periclistus natalis'' <small>(Taketani & Yasumatsu, 1973)</small> * ''Periclistus obliquus'' <small>(Provancher, 1888)</small> * ''Periclistus orientalis'' <small>(Pang, Liu & Zhu, 2020)</small> * ''Periclistus piceus'' <small>(Fullaway, 1911)</small> * ''Periclistus pirata'' <small>(Osten-Sacken, 1863)</small> * ''Periclistus qinghainensis'' <small>(Pujade-Villar, Wang, Guo, Chen, 2016)</small> * ''Periclistus quinlani'' <small>(Taketani & Yasumatsu, 1973)</small> * ''Periclistus semipiceus'' <small>(Harris, 1841)</small> * ''Periclistus setosus'' <small>(Wang, Liu & Chen, 2012)</small> * ''Periclistus smilacis'' <small>(Ashmead, 1896)</small> * ''Periclistus spinosissimae'' <small>(Dettmer, 1924)</small> * ''Periclistus yorikoae'' <small>Abe & Ide, 2025</small>
== References == {{Reflist}}
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Category:Cynipidae Category:Hymenoptera genera