Chirosia grossicauda
The larvae of the fly Chirosia grossicauda causes galls to form on Bracken fronds. The tip of the pinnule (involving a few pinnules) rolls downwards and may discolour, inside a white maggot mines along the main vein.
Gall 
Adult 
Wherever Bracken is present.
August to October.
Widespread and fairly frequent in Britain.
Status in Leicestershire and Rutland not known.
sue
Newtown Linford, Rough Hill, middle meadow, SE edge
11 July 2021
gall on Bracken
Graham Calow
Owston Woods
14 June 2018
sue
Newtown Linford, Rough Hill, middle meadow, SE edge
11 July 2021
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Species profile
- Species group:
- Flies
- Kingdom:
- Animalia
- Order:
- Diptera
- Family:
- Anthomyiidae
- Records on NatureSpot:
- 12
- First record:
- 24/06/2016 (Grimes, Martin)
- Last record:
- 26/09/2024 (Graves, Hazel)
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