Cecidomyia acrophila Winnertz, 1853 Dasineura acrophila is a gall midge which forms galls on the leaves of ash (Fraxinus species).

It was first described by Johannes Winnertz in 1853 and is found in Europe.

Part of the leaflet is thickened and folded upwards to form a pod.

It contains, up to twenty white larvae in late spring and early summer, or the remains of skin casts and faeces after the larvae have left.

This article related to members of the fly superfamily Sciaroidea is a stub.