This species is distinguished from its congeners by the following combination of characters: Basal 3/5 of forefemur yellow, remainder black; mid- and hindfemora black, except for apices; posteroventral brush on hindtarsus dark; male without abdominal reservoirs.

Male. Predominantly black; basal 2/3 of palpus, forecoxa, basal 3/5 of forefemur, apices of mid- and hindfemora, mid- and hindtibiae and mid- and hindtarsi except distal tarsomeres yellow.

Head: Anterior frontal setae half as long as posterior frontal seta. Postorbital region 1/5-1/6x as long as eye.

Wing: Length: 2.2-2.6 mm.

Abdomen: Tergites 1-4 microtrichose and subshiny medially, polished laterally, microtrichose spots progressively decreasing posteriorly; tergite 5 and all sternites polished. Abdominal reservoirs absent, but small base of ducts present.

Female. Differs from male in basal half of palpus yellow and palpus slightly broader. (Brake & Freidberg 2003)