Ichneumon flies of the genus Cratichneumon (Hymenoptera, Ichneumonidae) in the forest zone. 1. Taxonomic notes. Description of Cratichneumon unificatus sp n. [Russian]

摘要

The data on variability of morphological characteristics in 18 Cratichneumon species, the most abundant species of Ichneumoninae Stenopneusticae in the forest zone, are presented. Cratichneumon unificatus sp. n. from Belarus is described. The species hag all the characteristics, inherent to the genus Cratichneumon Thomson: It is close to the gorup of species with white spots on the tibiae (C. viator, C. fabricator, and others), but females of this species differ by three-colored flagellum; predominantly ferruginous legs, including coxae, by ferruginous segments 3-3(4) of abdomen, and white scutellum. The new species has scarcely developed gastrocoeli with weakly expressed thyridia. Illustrations of the holotype and parts of its body are given.