The Peruvian Amazonian species of Epirhyssa Cresson (Hymenoptera: Ichneumonidae: Rhyssinae), with notes on tropical species richness Gómez, Isrrael C. Sääksjärvi, Ilari E. Puhakka, Liisa Castillo, Carol Bordera, Santiago Zootaxa 2015 3937 2 311 336 6FX2P Porter 1978 Porter 1978 [151,495,1626,1653] Insecta Ichneumonidae Epirhyssa Animalia Hymenoptera 16 327 Arthropoda species lygra   Diagnosis. This species can be distinguished from all other Neotropical  Epirhyssaby the combination of the following characters: 1) occipital carina joining hypostomal carina; 2) tergite I elongate, about 2.7 times as long as posteriorly broad; 3) propodeum smooth and polished, with median longitudinal depression; and 4) submetapleural carina sharp throughout.   Distribution. Peru.  Biological notes. Only one specimen ( holotype) is known to occur in Central Peruvian Amazonia.