Cockroach-egg-parasitoid
Guides
Evania appendigaster
blue-eyed ensign wasp
Evania appendigaster is a parasitoid wasp in the family Evaniidae, commonly known as the blue-eyed ensign wasp. It is one of the larger ensign wasps, with forewings reaching about 7 mm and body length up to 11 mm. The species is a solitary oothecal parasitoid that attacks the egg cases of multiple cockroach species. It likely originated in Asia and has become widespread globally, particularly in tropical, subtropical, and temperate urban environments.