Elachista poae is a moth of the family Elachistidae found in Europe.
Description The wingspan is 9–12 mm. The head is blackish. Forewings are blackish, somewhat pale-sprinkled, basal area somewhat lighter; an obscure fascia before middle, angulated outwards in middle and inwards on fold, a small ill -defined tornal spot, a more distinct one on costa opposite, and traces of an angular mark in disc beyond and connecting these whitish, in female more distinct. Hindwings are dark grey. The larva is whitish -yellowish; head and two spots on 2 pale brown.Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf Keys and descriptionEmmet, A. M. (Hrsg.) (1985): The Moths and Butterflies of Great Britain and Ireland. Volume 3 (Yponomeutidae to Elachistidae). Harley Books, Colchester, Essex.Fal’kovich;M. .I., 1990 Elachistidae; 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
Adults are on wing from April to May and from June to August.
The larvae feed on reed sweet-grass (Glyceria maxima), mining the leaves of their host plant. Larvae can be found from April to May and again from July to August.
Distribution It is found from Fennoscandia and the Baltic region to Belgium, the Alps and Hungary and from Ireland to Romania.
References
External links Lepiforum de UKmoths