Epirhyssa lygra Porter 1978

Diagnosis. This species can be distinguished from all other Neotropical Epirhyssa by 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.