g. Wing ovate pointed, with numerous veins; crossveins, if evident, before the basal third of the wing; veins very hairy; very small moth-like flies. Psychodidæ
h. With elongate biting proboscis; the petiole of the anterior forked cell of the wing (R2) arises at or beyond the middle of the wing ([fig. 163d]). Phlebotomus Rdi.
hh. With shorter proboscis; the petiole of the anterior forked cell arises near the base of the wing. Psychoda, Pericoma, etc.
gg. The r-m crossvein placed at or beyond the center of the wing; wings not folded roof-like over the abdomen.
h. Proboscis short, not adapted for piercing; wings bare (Dixidæ); or wings scaled (Culicidæ, Subf. Corethrinæ).
hh. Proboscis elongate, adapted for piercing; wings scaled, fringed on the hind margin; antennæ of the male bushy plumose. Mosquitoes. Culicidæ (exclusive of Corethrinæ)
i. Metanotum without setæ.
j. Proboscis strongly decurved; body with broad, appressed, metalescent scales; cell R2 less than half as long as its petiole; claws of female simple, some of the claws of the male toothed. Several large southern species believed to feed only on nectar of flowers Megarhinus R. D.
jj. Proboscis straight or nearly so, or otherwise different.
k. Scutellum evenly rounded, not lobed; claws simple in both sexes. Anopheles Meig.