Elachista freyerella
Elachista freyerella is a moth of the family Elachistidae that is found in all of Europe, except the Balkan Peninsula. It is also found in North America.
Description
The wingspan is.The head is dark grey, whitish-sprinkled, facepaler or whitish. Forewings are blackish, somewhat paler-sprinkled; an oblique fascia before middle, in male indistinct and sometimes interrupted, a tornal spot, and an opposite costal spot whitish, in female whiter and more distinct. Hindwings are grey. The larva is pale yellowish-grey; head black or pale brown; 2 with two black spots
The larvae feed on bent, bromes, cocksfoot grasses, tall fescue, red fescue, soft grass, crested hair-grass, annual meadow grass, Poa badensis, wood bluegrass, common meadow-grass, rough meadow-grass, Trisetum ciliare and Triticum. Pupation takes place outside of the mine.