Perilissus Förster, 1855

Watanabe, Kyohei, 2024, Taxonomic Study of Japanese Ctenopelmatinae (Hymenoptera, Ichneumonidae), with Descriptions of 22 New Species, Bulletin of the Kanagawa Prefectural Museum (Natural Science) 53, pp. 39-102 : 88-89

Genus Perilissus Förster, 1855

Perilissus Holmgren, 1855: 63 . Type species: Ichneumon filicornis Gravenhorst, 1820 (= I. variator Müller, 1776 ). Monotypic.

Spanotecnus Förster, 1869: 197 . Type species: Ichneumon filicornis Gravenhorst, 1820 (= I. variator Müller, 1776 ). Designated by Viereck (1914).

Ichnaeops Förster, 1869: 197 . Type species: Perilissus lutescens Holmgren, 1857 . Designated by Perkins (1962).

Polyoncus Förster, 1869: 197 . Type species: Tryphon erythrocephalus Gravenhorst, 1829 . Designated by Viereck (1914).

Udenia Förster, 1869: 202. Type species: Perilissus (Udenia) herrichii Kriechbaumer, 1892 (= Ichneumon rufoniger Gravenhorst, 1820 ). Included by Kriechbaumer (1892).

Exacrodus Förster, 1869: 210 . Type species: Exacrodus populans Morley, 1913 (= Hypocryptus cingulator Morley, 1913 ). Included by Morley (1913).

Daugna Seyrig, 1935: 29 . Type species: Daugna alluaudi Seyrig, 1935 (= Prionopoda testaceoides Morley, 1926 ). Original designation.

Pseudochorus Rao, 1953: 195 . Type species: Pseudochorus kuriani Rao, 1953 (= Hypocryptus cingulator Morley, 1913 ). Original designation.

Four species, Peril. athaliae Uchida, 1936 , Peril. geniculatus (Uchida, 1928) , Peril. rufoniger (Gravenhorst, 1820) , and Peril. variator (Müller, 1776) , have been recorded from Japan. In this study, I describe a new species below.