First record and new species of Tortopsis Molineri, 2010 (Ephemeroptera, Polymitarcyidae) from Brazil

摘要

A new species of the recently erected genus Tortopsis is described from males and females imagos collected in Macae river, Rio de Janeiro State. Tortopsis canum sp. nov. can be recognized by the color pattern of the head and pronotum, strongly shadedwith black in both sexes, male genitalia with parastyli long and straight and female parastyli receptor "C" shaped, with receptors large, occupying nearly all extension of sternum VIII. This new species represents the first record of the genus Tortopsisin Brazil.