The wingspan is 3–5 millimetres (0.12–0.20 in). The head is ferruginous to dark fuscous. The antennal eyecaps are yellow-whitish. The forewings are shining golden-brown, sometimes purplish-tinged with a pale golden-metallic vertical fascia beyond middleThe apical area beyond this is dark purple-fuscous. The hindwings grey.[1][2][3]
Adults are on wing from July to August and again in September. There are two generations per year.
^ Zagulajev, A.K., 1987 Nepticulidae (Stigmellidae); in G.S. Medvedev (ed.): Keys to the insects of the europaean part of the USSR, Vol.IV: Lepidoptera, part 1 (english translation), Oxonian Press Pvt.Ltd., New Dehli, 1987
^Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf This article incorporates text from this source, which is in the public domain. Keys and description