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Terellia tussilaginis
The gall fly Terellia tussilaginis is mainly pale greeny yellow in colour with distinctive brown banding on its wings.
The larva form galls in the achenes of Burdock (Arctium) flowerheads; the achene is swollen with a tiny entrance hole near the top and larger hole at base blocked by debris. Pale-brown puparia are in the old flowerheads over winter
Tephritis bardanae also galls burdock
Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed.
Around Burdock.
June to August.
The larvae feed on Burdock and cause galls to form.
Fairly frequent and widespread in southern Britain at least.
Fairly frequent in Leicestershire and Rutland
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015
UK Map
Species profile
- Species group:
- Flies
- Kingdom:
- Animalia
- Order:
- Diptera
- Family:
- Tephritidae
- Records on NatureSpot:
- 38
- First record:
- 23/07/2010 (Nicholls, David)
- Last record:
- 10/08/2023 (Nicholls, David)
Total records by month
% of records within its species group
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