Urophora quadrifasciata

Alternative names
Four-barred Knapweed Gall Fly

The term ‘quadrifasciata’ in the Scientific Name refers to the dark, four-banded pattern in the wing.

Identification difficulty
Recording advice

Please provide supporting images with your records for this species.


Meadows and verges where Knapweed is present.

When to see it

Usually encountered in summer.

Life History

Two generations a year. Overwintering generation emerges as adults from galls in the mature seedheads in the spring when new flower buds are beginning to form.

UK Status

It seems to be quite widespread in the southern half of Britain.

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