Body length: 6.5-7.5 mm.
Width of frons at the narrowest point 1/4
or less of eye length. Wing with the apex of media
almost directly under apex of r4+5. First posterior
cell of wing (R5) at apex less than one half as wide
as at widest point, media more strongly curved
upward and sinuous terminally. Legs dark colored,
tibiae more or less extensively yellow, tarsi darkbrown
or blackish. Fore-metatarsus simple,
without rows of erect hairs. The hind-femur with
long ventral hairs. Thorax and abdomen with dense
grayish or brownish, not shiny. Abdomen with
distinct spots or dark transverse bands and narrow
median vittae, this pattern more or less reduced.