Elachista gangabella

Elachista gangabella is a moth of the family Elachistidae. It is found in all of Europe, except the Iberian Peninsula.

The wingspan is 9 - 10 mm. The head is blackish-grey.Forewings are blackish ; a straight somewhat inwardly oblique central whitish-yellowish fascia, in male narrowed towards costa ; tips of apical cilia whitish. Hindwings are dark grey.The larva is grey-green, yellowish-tinged ; head yellow-brown ; 2 with two pale brown spots. Adults are on wing from March to June.

The larvae feed on tor-grass (Brachypodium pinnatum), false-brome (Brachypodium sylvaticum), cock's-foot  (Dactylis glomerata) and mountain melick (Melica nutans). They mine the leaves of their host plant. Larvae can be found from September to November.