Symmorphus gracilis


This black and yellow banded wasp is very similar to Symmorphus crassicornis and expert help is needed with identification.

Identification difficulty

Adults seem to prefer damp places, often near streams and ditches and their flight paths are associated with patches of foliage in full sunlight.

When to see it

Adults of S. gracilis are most likely to be found during June and July, but also at the end of May and sometimes during August.

Life History

It hunts for larvae of the chrysomelid beetle Chrysomela populi and, in addition, Cionus hortulanus, a weevil associated with figwort.

UK Status

Widespread in southern England, and north to Yorkshire.

VC55 Status

Status in Leicestershire and Rutland not known.

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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