Dasineura pilosa produces a spherical, fuzzy stem gall (Fig. 235) on Laportea canadensis. These galls are from 10-15 mm long, with one larva per gall. Dasineura pilosa exhibits one generation a year, with the larvae overwintering in the gall.
Adults have not been reared to date. This species is known only from the gall and the larva.
- JD Plakidas: (2016) The Gall Midges (Diptera: Cecidomyiidae: Cecidomyiinae) From Allegheny County Pennsylvania©