Dip:Anthomyiidae
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Chirosia flavipennis (Fallén, 1823)
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larva in mine

Food Plant: Pteridium aquilinum (Bracken)

Mine: September-October

Notes: A univoltine late season species forming upperside blotches at the tip of a pinna lobe, in the shade, on Bracken which look very similar to those of the early season miner, C.histricina, on the same host. The length of pupation is two years. Robbins (1990) mentions mines of C.histricina in September, which must be a misidentification as they will be C.flavipennis. Larva shown in the mine.

Data: 24.x.2014, Hessle, South-east Yorkshire, VC61

Image:© B.Warrington

References:
Griffiths, GCD (1982) - Flies of the Nearctic Region (Anthomyiidae)
Robbins, J (1990) - A Provisional Atlas of The Leaf Miners of Warwickshire.

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