pronotal collar on each side with a deep hollow separated beneath a glabrous longitudinal bridge by a thin septum, and each of them below with a dense tuft of pubescence (if the pronotal tuft is poorly or hardly developed, then the antenna is 14 segmented; apex of scape with a a raised rim or flange which is angulate on opposite sides; stigmalis very short, only about half as long as the marginalis (fig. 102); a spurious, hardly indicated radialis encloses a very long narrow radial cell; epomia wanting; eyes bare; occiput bordered at sides with fine pubescence)

3736_mximage
1. From Nixon ((...