Pectinivalva

Adults. Head capsule (Figs 19–27): labial palpi 2- or 3-segmented. Underside of forewing and upperside of hindwing often with androconial scales in male. Costal bristles of male hindwing absent or replaced by lamellate scales. Legs: fore-tibia of male sometimes thickened with specialized scales. Upperside of abdomen sometimes with androconial scales in male. Anterior edge of T2 weakly sclerotized medially. Male genitalia (Figs 39, 40, 42–72). Anterior extension of vinculum usually rather short. Lateral arms of vinculum occasionally more or less forked apically. Uncus hood-like, dorsally with a pair of well-defined tufts of strong setae. Gnathos present, 1 central element. Valva (Figs 40, 44, 47, 50, 53, 56) rounded, squarish or triangular, usually with well-developed pectinifer along distal edge. Transverse bar of transtilla usually absent. Juxta in the form of 2 elongate sclerotized flaps connecting bases of valvae with apex of aedeagus. Aedeagus very variable (see subfamily description). Female genitalia (Figs 73–103). S8 usually very broad and squared off. Vestibulum usually with a pair of lateral sclerites associated with apophyses anteriores. Corpus bursae well sclerotized, without diverticulum, usually with single signum. Larva. Head (Figs 104–108): antennae 2- or 3-segmented; posterior lobes usually not continuously sclerotized caudally. Chaetotaxy (Figs 115, 116): see subgeneric descriptions. Pupa. As described for subfamily.

Australia (known from all states and territories), Borneo (a single species, Pectinivalva xenadelpha, described below).