Gnathochorisis crassulus (Thomson, 1888)

Humala, Andrei E., Choi, Jin-Kyung & Lee, Jong-Wook, 2016, A review of the genera Gnathochorisis Foerster and Symplecis Foerster of South Korea, with notes on Korean orthocentrines (Hymenoptera, Ichneumonidae, Orthocentrinae), ZooKeys 562, pp. 85-104 : 93

Taxon classification Animalia Hymenoptera Ichneumonidae

Gnathochorisis crassulus (Thomson, 1888) Figs 14-18

Blapticus crassulus Thomson 1888; type depository: ZI.

Acroblapticus crassulus Thomson (Schmiedeknecht, 1911).

Gnathochorisis crassulus Thomson (Aubert, 1966).

Diagnosis.

Inner eye orbits slightly divergent ventrally, face matt, finely punctate; antenna moderately long with 22-24 flagellomeres. Mesosoma finely and densely punctate on mesoscutum and mesosternum, polished on metapleuron. Propodeum polished, carinae complete and strong. Fore wing with areolet short petiolate, rectangular (Fig. 16). Hind femur stout, 3.5-3.8 times as long as high. First tergite with dorsolateral carina strong (Fig. 18); second tergite matt; ovipositor upcurved, 0.95 times as long as hind tibia. Fuscous; pale yellow on frontal orbits, malar space, clypeus, mandibles, palpi, scape and pedicel ventrally, tegula, wing bases, hind corner of pronotum, fore and middle coxae and all trochanters, apical margins of metasomal tergites 2-4. Male with yellow face, inner orbits and malar space; propleuron and lower mesopleuron yellowish.

Material examined.

Korea: 1 female, GW, Taebaek-si, Hyeol-dong, Yuilsa, 37°06'N 128°26'E, Malaise trap, 30 June 1991 (J.W. Lee).

Distribution.

Holarctic; in Palaearctic region it was reported from Europe, Siberia, Russian Far East ( Humala 2003, 2007), Japan ( Dasch 1992; no data on the examined material was provided), and South Korea (new record).