Three new species of Costatrichia (Trichoptera: Hydroptilidae) are described from Costa Rica, C. carara, C. flinti, and C. zopilote, and one from Venezuela, C. cressae. The subspecies Costatrichia tripartita venezuelensis from Venezuela is elevated to species status and newly recorded from Costa Rica. Illustrations and a key to males of the 12 known species in the genus are provided. The females of C. carara, C. simplex, C. tripartita, and C. zopilote are illustrated.
|Original language||English (US)|
|Number of pages||29|
|Journal||Proceedings of the Entomological Society of Washington|
|State||Published - Jul 1 1999|
- Costa Rica