New species of microcaddisflies from the Amazon region, with special reference to Northeastern Peru (Trichoptera, Hydroptilidae)

Four new species of Neotrichia, N. yanomonoa, N. sucusaria, N. yagua and N. juntada and two new species of Oxyethira, O. orellanai and O. teixeirai are described from the upper Amazon region in Peru. Three additional new species of Neotrichia, N. delgadeza and N. napoensis from Ecuador and N. cayada from Venezuela are also described as they are closely related to the Peruvian specimens. A redescription of N. filifera from Uruguay is also included to clarify species relationships.

Keywords: Hydroptilidae, Neotrichia, Oxyethira, new species, Peru, Ecuador, Venezuela