ABSTRACT
Prothorax widest at base, broadly to narrowly rounded anteriorly, lateral margins acute; hypomeron excavate to receive antennal club and prolegs; prosternum short to very short, not extending anterior to procoxae, not contacting mouthparts in retracted position. Mesoscutellum visible, triangular. Mesosternum short, medially notched to receive prosternal process or anteriorly rounded; lateral portions of mesothorax depressed to receive legs in retracted position. Metasternum broad, apically truncate.
