The aphid Tetraneura ulmi causes a fig like gall to be formed on certain species of elm. This is a quite large, solitary, upright, pouch like gall on the upper surface of the leaf. The gall is more often seen than the adult aphid.
Anywhere that the host species - English Elm, Wych Elm or Small-leaved Elm are present
Fairly frequent and widespread in much of Britain.
Fairly frequent 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