Willow Bean Sawfly - Pontania bridgmanii

Alternative names
Bean Gall

Pontania bridgmanii is a sawfly that causes a gall to form on certain species of Willow.

Identification difficulty

Adult Gall


Hedgerows and damp places where the host willow trees are present.

Life History

The larva is found inside the Willow Bean Gall on various species of willow.

UK Status

Common in Britain.

VC55 Status

Common in Leicestershire and Rutland.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map