A new species and new records of Tachygerris Drake, 1957 (Hemiptera: Heteroptera: Gerridae) from Colombia.

A new species of the genus Tachygerris Drake, 1957 (Gerrinae: Tachygerrini) is described from the Amazon region of Colombia. Tachygerris tucanensis sp. nov. is differentiated from other species of the genus by features of the male genitalia and of last abdominal sternite of female. New records of T. adamsoni, T. celocis, and T. opacus are also presented.