ABSTRACT

Notosternal suture complete. Procoxae contiguous, mexocoxae narrowly separated and metacoxae moderately widely separated. Hind wing with four anal veins. Legs with trochanter short; triangular; femur attached to side of trochanter. Tarsal claws toothed. Abdomen with ventrites 1 and 2 fused together but separated by distinct suture. Cap piece of tegmen strongly bilobed; the median lobe with a broad ventral plate and a narrow dorsal plate.