Elachista collitella

Elachista collitella is a moth of the family Elachistidae. It is found in Great Britain, Spain, France, Italy, Switzerland, Austria, Germany, the Czech Republic, Slovakia, Hungary, Romania and Turkey.

The wingspan is 7 - 9 mm. The head is whitish. Forewings are whitish ; costa towards base fuscous, with traces of a basal fascia; two broad partially ill-defined light yellow-ochreous fasciae in middle and at 3/4, more or less fuscous on costa, with some scattered black scales ; dark line of cilia appearing truncate at apex. Hindwings are grey.

The larvae feed on sheep's fescue (Festuca ovina), crested hair-grass (Koeleria macrantha) and common meadow-grass (Poa pratensis). They mine the leaves of their host plant.