Periclistus

Periclistus is a genus of gall wasps in the tribe Diastrophini, formerly included in the tribe Synergini.^[1] There are at least 17 described species in Periclistus.^[1][2] 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.^[2][3]

Periclistus
A female Periclistus caninae
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Cynipidae
Subfamily:	Cynipinae
Tribe:	Diastrophini
Genus:	Periclistus Förster, 1869

Periclistus in galls observed at Convict Lake, California

Species

Species in the genus Periclistus include the following:^[2]

• Periclistus arefactus (McCracken & Egbert, 1922)
• Periclistus brandtii (Ratzeburg, 1832)
• Periclistus californicus (Ashmead, 1896)
• Periclistus caninae (Hartig, 1840)
• Periclistus capillatus (Belizin, 1968)
• Periclistus mongolicus (Belizin, 1973)
• Periclistus natalis (Taketani & Yasumatsu, 1973)
• Periclistus obliquus (Provancher, 1888)
• Periclistus orientalis (Pang, Liu & Zhu, 2020)
• Periclistus piceus (Fullaway, 1911)
• Periclistus pirata (Osten-Sacken, 1863)
• Periclistus qinghainensis (Pujade-Villar, Wang, Guo, Chen, 2016)
• Periclistus quinlani (Taketani & Yasumatsu, 1973)
• Periclistus semipiceus (Harris, 1841)
• Periclistus setosus (Wang, Liu & Chen, 2012)
• Periclistus smilacis (Ashmead, 1896)
• Periclistus spinosissimae (Dettmer, 1924)