Adult Psychodinae are small flies that do not exceed 5–6 mm in length. Their body, legs and wings are covered in many
setae which (in males) are often pigmented, resulting in colour patterns. Their eyes are usually reniform (kidney shaped) and connected dorsomedially by an eye-bridge. The
antennae each consist of a
scape,
pedicel and 12-14
flagellomeres, and each flagellomere has one or more ascoids of variable shape. The wings are ovate (egg shaped) in shape with 9-10 longitudinal veins and almost no crossveins. Species of Psychodinae often look similar, only being distinguishable by the shape of the male genitalia. Larval Psychodinae are segmented with each segment subdivided and each subdivision dorsally
sclerotised. The
tergal sclerites have true and accessorial
setae which are useful for determining species. Unlike in other subfamilies of Psychodidae, the abdomen ends in a tubular siphon tipped with
spiracles. == Habitat and diet ==