Periclistus capillatus Belizin, 1968

Pujade-Villar, Juli, Wang, Yiping, Guo, Rui & Chen, Xuexin, 2016, Revision on Palaearctic species of Periclistus Foerster with description of a new species and its host plant gall (Hymenoptera, Cynipidae), ZooKeys 596, pp. 65-75 : 66-67

Taxon classification Animalia Hymenoptera Cynipidae

Periclistus capillatus Belizin, 1968

Periclistus capillatus Belizin, 1968: 718-719.

Type material.

1 ♀ deposited in ZIN, with the following labels: "Kedrovaya pad’ [Nature Reserve] Primorie [= Primorskiy kray] O. Kovalev 17 V 60" (black label, handwritten in Russian), "From galls on leaves of Rosa " (red label, handwritten in Russian), " Periclistus capillatus ♀ m. V. Belizin det" (black label, handwritten), "Primorskiy kray, 'Kedrovaya pad’ 'Nature Reserve. From galls on Rosa (leaves). 17. V. 60 g. O.V. Kovalev" (black label, handwritten in Russian), "Lectotype ♀ of Periclistus capillatus Belizin, 1968, det JP-V 2015" (red label, printed).

Diagnosis.

This species is characterized by the following characters: black head and mesosoma, chestnut brown to black metasoma, testaceous antennae and legs; 12-segmented antenna, F1 and F2 subequal in length (4:5); an alutaceous mesoscutum with piliferous points and sparse pubescence; notauli and posterior medial sulcus present, short, both extending to ¼ of total scutum length; parapsidal lines and anterior parallel lines present; smooth mesopleuron; closed radial cell (although both R1 and its projection in margin of forewing nearly inconspicuous), short, 3 times as long as broad; areola visible; metasomal tergites fused (T2+T3) and smooth, with an anterolateral patch of white setae; the subsequent segments are micropunctuated and glabrous.

Comments.

This species presents characters belonging to Asian species (scutal and mesopleural sculpture) and characters belonging to European species (radial cell length and shape). A key provided at the end differentiates this species from its congeners.