Phyllonorycter ulmifoliella is a moth of the family Gracillariidae. It is found in all of Europe (except the Iberian Peninsula and the Balkan Peninsula), east to Russia and Japan.
The wingspan is 7–9 mm. The head is golden-brownish, face white. Antennae with apex white. Forewings golden brownish; a shining white median streak from base to 2/5, dark margined above; an ill-defined white dorsal spot at 1/3; a somewhat angulated median fascia, three posterior costal and two dorsal triangular spots shining white, anteriorly dark margined; a black apical dot. Hindwings are rather dark grey. The larva is yellow-green; dorsal line greenish-grey; head pale brown.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, 1987 It is very similar to Phyllonorycter anderidae.
There are two generations per year with adults on wing in May and again in August.
The larvae feed on Betula x alpestris, Betula grossa, Betula pendula and Betula pubescens. They mine the leaves of their host plant.
References
External links Lepiforum de