A contribution to taxonomy of two Leptohyphidae larvae (Insecta: Ephemeroptera)

Abstract

The morphology of the larvae of two species, Tricorythodes barbus and Tricorythopsis rondoniensis is revised. New geographical records from Brazil are provided for these species, as well as diagnosis, illustrations and discussions about useful characters to distinguish them from their closest relatives.La morfología larval de dos especies, Tricorythodes barbus y Tricorythopsis rondoniensis es revisada. Se proveen nuevos registros geográficos para ambas especies en Brasil, así como diagnosis, ilustraciones y discusión sobre los caracteres útiles para distinguirlas de otras especies cercanas.