Phyllocnistis unipunctella is a moth of the family Gracillariidae. It is known from all of Europe.
The wingspan is 7–8 mm. A whitish moth with yellowish suffusion and a distinct black spot near the wing apex. The forewings are shining white, posteriorly more or less ochreous-tinged; often a suffused spot on dorsum near base and a larger one in middle of disc dark fuscous; a transverse dark fuscous line at 2/3, preceded by one and followed by two dark fuscous streaks from costa; a round black apical dot; three dark fuscous diverging bars in apical cilia. Hindwings are light grey. The larva is pale green.Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf Keys and descriptionKuznetsov V.I., 1990 Gracillariidae; in G.S. Medvedev (ed.): Keys to the insects of the europaean part of the USSR, Vol.IV: Lepidoptera, part 2 (english translation), Oxonian Press Pvt.Ltd., New Dehli, 1987Heath, J. & Emmet, A. M. (Hrsg.) (1985): The Moths and Butterflies of Great Britain and Ireland. Volume 2: Cossidae – Heliodinidae. Harley Books, Colchester, Essex.
Adults are on wing in July and from September onwards, sometimes overwintering in haystacks.UKmoths
The larvae feed on Populus balsmifera, Populus x canadensis, Populus candicans, Populus deltoides, Populus euphratica, Populus gileadensis, Populus nigra, Populus simonii, Populus suaveolens and Populus trichocarpa. They mine the leaves of their host plant.bladmineerders.nl
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