Ectoedemia arcuatella is a moth of the family Nepticulidae, found in most of Europe (except for the Iberian Peninsula) and east to the Volga and Ural regions of Russia.
Its wingspan measures about 5 mm. The head is ochreous-yellowish to fuscous. The antennal eyecaps are white. The forewings are blackish with an oblique, somewhat curved, shining, silvery fascia in the middle. The outer half of cilia beyond a blackish line are grey whitish. The hindwings are grey.Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London Van Nieukerken provides a key and description.van Nieukerken, E. J. (1985): A taxonomic revision of the Western Palaearctic species of the subgenera Zimmermannia Hering and Ectoedemia Busck s. str. (Lepidoptera, Nepticulidae), with nothes on their phylogeny. Tijdschrift voor entomologie 128: 1-164.pdfZagulajev, 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
Adults are on wing from June to July.
The larvae feed on Fragaria moschata, Fragaria vesca, Fragaria viridis, Potentilla erecta and Potentilla sterilis. They mine the leaves of their host plant.Emmet, A. M., 1976. Nepticulidae. — In: J. Heath (ed.). The Moths and Butterflies of Great Britain and Ireland 1: 171—267, pls. 1—7, 11, 12.
References
External links bladmineerders.nl Ectoedemia arcuatella images at Consortium for the Barcode of Life Nepticulidae from the Volga and Ural region Swedish moths