New species and new records of the genus Oecetis McLachlanin French Guiana (Trichoptera, Leptoceridae)

During a brief reconnaissance of small coastal streams in French Guiana, four species of the genus Oecetiswere captured. They are the first specific records from this territory. Two species are new and herein described:Oecetis meronai n. sp., the third neotropical species of the testacea species-group and Oecetis hydrecoi n. sp., thefirst neotropical species of the lais species-group