Unknown.

Posterior (third) orbital seta present, not much shorter than anterior orbital seta; frons subshiny; proboscis slightly longer than height of head; abdominal sclerites 1-4 dull.

Head black; lunula yellowish in some specimens.
Frons subshiny, orbital triangle and orbital plate shiny. Frons about as long as wide. Frontal triangle extending to level of anterior orbital seta. Posterior orbital seta nearly as long as anterior orbital setae. Lunula barely visible. Arista 0.8x eye height, pubescence slightly longer than pubescence on basoflagellomere. Vibrissa well developed, followed posteriorly by row of 6 genal setae. Anterior genal seta of same length as vibrissa. Gena about 0.1x eye height and about 0.5x width of basoflagellomere. Eye 1.3x as high as wide. Proboscis with labella about as long as length of gena. Palpus flat, spatulate, with several setulae, which are longer on ventrolateral edge.

Body black. Mesonotum about as long as broad and subshiny. Scutellum coppery microtomentose.  Anterior dorsocentral seta about 0.5x length of posterior seta.

Wing hyaline.

Legs black except for yellowish base of tibiae and all tarsi. Setae black except for yellow setulae ventrally on basitarsomeres of fore and hind legs. Fore coxa and femora normal, not enlarged.

Tergites 1-4 with coppery microtomentum on dorsal parts, T5 shiny. Anterior half of T5 modified to glandular structure with very fine hairs/microtomentum on outside and 'tubular' sclerotizations inside. Tergite 6 absent. Synsternite 7/8 symmetrical, dorsal, relatively wide, and with two spiracles. Sternite 6 absent. Glandlike structures near terminalia present but not studied due to age of material. Male terminalia as in Figs. 2 and 4 of Brake (2007).

Nearctic region: Canada (British Columbia), United States (California, Idaho, Washington); Palaearctic region: Austria.