Tricorythodes caunapi: a new species from the rain forest of the colombian pacific (Ephemeroptera: Leptohyphidae)

tricorythodes caunapi sp n. is described and illustrated from larvae and adults of both sexes. the ？ame refers to the caunapi river, located on the pacific coast of colombia, where the type-material was collected. this species can be recognized by the following combination of characters of adults: shape of the male genitalia, tibiae and tarsi with blackish bands, abdominal color pattern and small size (approximately 3mm); larvae: maxillary palp absent, tibiae and tarsi with same coloration as adults, tarsal claws with 7-8 marginal and double row of 1-2 + 2-3 submarginal denticles, abdominal color pattern, and triangular operculate gills.