Key for the species of Acroperus s. lato.

1. Apical setae of antenna exopodite of similar length and thickness.......... Acroperus cf. africanus Neretina & Kotov, 2015

1' One of apical setae of antenna exopodite much thicker and longer than two others......... Acroperus harpae (Baird, 1843)