Helina addita is a largely black species with lighter pruinescence. The legs are bicoloured with femora blackish, excepting the extreme tip, and tibiae with some reddish ground colour. The haltere knobs are yellowish and the wing crossveins are clouded. The antennae are black and the arista are not noticeably plumose. There are 4 pairs of postsutural dorsocentral bristles and no well developed presutural acrostichal bristles. Bodylength around 6.5mm. Helina nigritarsis is most similar but slightly larger at around 8mm and males have femora broadly yellowish apically while females have femora entirely yellowish. Helina poeciliventris is also similar but have the legs entirely black.
Helina cf. addita, male
Late June 2015
Mount Nelson
Bodylength approx. 6.5mm.
Helina cf. addita, male
Mid October 2015
Port Huon
