Eotrechus fuscus sp. Nov. from northeastern India with a key to Indian species (hemiptera: Heteroptera: Gerridae)

Abstract

Eotrechus fuscus sp. nov. (Hemiptera: Heteroptera: Gerridae: Eotre-chinae) is described from Sikkim, Himalaya, India and compared with all known congeners. The male genitalia study was undertaken to confirm validity of this species. Eotrechus longipes Andersen, 1982 is recorded from Sikkim for the first time. A key to all known Indian species is also provided. With the addition of this new species, a total of six species of this genus are currently reported from India.