Genus Iseropus Förster, 1869

Iseropus Förster 1869: 164 .

Type species: Ichneumon graminellae Schrank, 1802 (= stercorator Fabricius, 1793), by subsequent monotypy (Woldestedt 1877: 16).

Synonym:

Cnemopimpla Cameron, 1903 .

References. Townes & Townes 1951: 189 [catalogue; 4 species in America north of Mexico]. Townes & Townes 1960: 165 [revision of 3 species from America north of Mexico; key]. Townes & Townes 1966: 14 [catalogue; 2 species in Neotropical region]. Townes 1969: 85 [description; distribution]. Carlson 1979: 331 [catalogue; 3 species in America north of Mexico]. Gauld 1991: 228 [description; 1 species in Costa Rica (described as new)]. Gauld et al. 1998: 26 [2 species in Costa Rica (1 described as new); key]. Kasparyan 2006 [1 new species from Mexico].

Iseropus is a small genus with nine species in Holarctic and Neotropical regions. Three species occur in the Nearctic region (one of them also occurs in the Palaearctic region), two species were described from Costa Rica, and two species are restricted to South America. One species is known from Mexico.

Species of the genus are gregarious ectoparasitoids in cocoons of various Lepidoptera, especially Lasiocampidae, Lymantriidae and Tortricidae .