A new Potamobates Champion species (Heteroptera: Gerridae) from Ecuador with new distribution records for P. williamsi Hungerford

Anthony I. Cognato

Abstract


Potamobates sumaco new species is described from the Ecuadorian Amazon. Male and female genitalia differentiate P. sumaco from a similar parapatric species, P. williamsi Hungerford. Phylogenetic analysis indicates P. sumaco is closely related to the species of the P. tridentatus group which includes P. williamsi. A distribution map and revised key to Potamobates species are provided.

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