ABSTRACT
Abdomen with five visible ventrites; sutures entire or with first two visible ventrites connate. Male genitalia of inverted heteromeroid type, with penis small, somewhat curved, tubelike, fused to the very large, trough-like basal piece, but with parameres distinct and freely articulating. Ninth segment commonly (Cephaloon) with triangular tergite and ventrite, filling emargination of eighth, segment eight bulbose, with apex forming two laterally triangular pieces.
