A new species of Traverella Edmunds, 1948 (Ephemeroptera: Leptophlebiidae) from Brazil.

ABSTRACT

A new species of Traverella Edmunds (Ephemeroptera Leptophlebiidae) is described based on male imagoes from the state of Maranhão, northeastern Brazil. The main characteristics that distinguish the new species from the other species are 1) subgenital plate forming two lateral, broad projections with two fine, long spines dorsally recurved; 2) penis lobe triangular and apically rounded, with a small ventral projection at apex and a ventral longspine slightly curved and directed to midline.