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

Authors

Anthony I. Cognato, University of California, Berkeley, CA

Date of this Version

March 1998

Comments

Published in Insecta Mundi Volume 12, Nos. 1-2, March-June, 1998. Copyright 1998 © by Cognato.

Insecta Mundi, published by the Center for Systematic Entomology, is available online at http://centerforsystematicentomology.org/.

Abstract

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.

Resumen: Se describe Potamobates sumaco nueva especies del Amazonas Ecuatoriano. Los genitales del macho y la hembra distinguen P. sumaco de la especie mas cercana P. williamsi Hungerford. El analisis filogenetico indica que P. sumaco partenece a1 grupo P. tridentatus. Se incluye un mapa de la distribucion y una clave modificada para la identificacion de las especies de Potamobates.