Helina subpubescens has a black body with lighter pruinescence, the latter being whitish-grey to yellowish-grey. The legs are tawny, excepting the darker tarsi. Antennal aristae are plumose, and the eyes haired. The haltere knobs are yellowish, and the wings are without cloudy areas over the crossveins. There are 4 pairs of postsutural dorsocentral bristles and no well developed presutural acrostichal bristles. Bodylength around 8mm.
Female
Late January 2012
South Bruny Island
Male
Early November 2014
Port Huon
Males
Late January 2016
Kaoota
Last fly has a red mite attached.