Key to males of species of Metrobates Uhler, 1871 distributed in Colombia

(Modified from Nieser, 1993)

1. Fore femur with a ventral spine (Fig.1d).............................................. M. fugientis Drake & Harris

-. Fore femur without ventral spine......................................................................... 2

2. Mediotergite VIII twice as long as mediotergite VII and rounded apically (Fig.1b). Paramere arcuate and broadly widened medially; apex with dorsal margin curved and ending straight, and ventral margin straight (Fig. 3b).................................................................................................... M. amblydonti Nieser, 1993

-. Mediotergite VIII three times as long as mediotergite VII, with the base to middle widened, and narrow and acuminate apically (Fig.1a). Paramere long with the basal region wider than apical region; the apical region gradually tapering to a narrow point (Fig. 3a)........................................................................ M. sanciprianensis sp. nov.