Stenoptilia pterodactyla, the brown plume is a moth of the family Pterophoroidea.
It is found in Europe, North America, Anatolia, Iran[1] and China.
[3] The moths have a wingspan is 20–26 mm, are single brooded, flying from late May to early August.
Fresh species of S. pterodactyla can be distinguished by the fine white hairs along the costa (i.e. the leading edge of the wing) and the wings orchreous colour; cf.
Larvae mine the stems and shoots of germander speedwell (Veronica chamaedrys) from August to March and feed on the flowers in April and May.