Elachista gleichenella is a moth of the family Elachistidae found in most of Europe.
The wingspan is .The head is bronzy -metallic.Forewings are dark bronzy -fuscous ; a small basal spot, a fascia before middle, and an outwards -angulated fascia towards apex pale golden-metallic. Hindwings are grey.The Larva is whitish, faintly purple-tinged ; head dark brown ; 2 with two purple-blackish marks.[1]
The larvae feed on Carex curvula, Carex digitata, Carex divulsa, star sedge (Carex echinata), glaucous sedge (Carex flacca), dwarf sedge (Carex humilis), smooth-stalked sedge (Carex laevigata), soft-leaved sedge (Carex montana), Carex morrowii, Carex muricata, Carex ornithopoda, false fox-sedge (Carex otrubae), greater tussock-sedge (Carex paniculata), pendulous sedge (Carex pendula), Carex pilosa, Carex sempervirens, wood sedge, Carex umbrosa, tufted hairgrass (Deschampsia cespitosa), white wood-rush (Luzula luzuloides), hairy wood-rush (Luzula pilosa), Luzula plumose and greater wood-rush (Luzula sylvatica).[2]
The moth is found in most of Europe (except the Iberian Peninsula), east into northern Russia.[3]