The gall midge Iteomyia major causes galls to form on the leaves of willows (Salix sp.). These take the form of a coalesced group of 2 to 10 hard, round pustules containing larvae which are white when young but later orange or red.
Where the host plants (willows) are found.
Whenever the host willows are in leaf.
Widespread and fairly frequent in Britain.
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015