Causes galls on Salix where the leaf edges roll. The living larva is yellow with only one larva in each gall. Two generations per year: the summer generation pupates within the gall, the winter generation in the ground.
Rare or under recorded.
Rare or under recorded in Leicestershire and Rutland.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015