The larva of gall midge Dasineura ulmaria causes galls to form on Meadowsweet. (described under Life History). The galls are seen more often than the adult.
Larva June to July, pupa August.
Upper leaf surface has smooth reddish rounded swellings, 1 to 2 mm across, with pale yellow, hairy, conical projections below that are between 2 and 4 mm long; usually on veins. The larva is pale yellow.
Common and widespread in Britain.
Quite common in Leicestershire and Rutland.
Leicestershire & Rutland Map
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