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Calycomyza humeralis (von Roser, 1840)
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dorsal view of puparium


Food Plant: Aster, A.tripolium (Sea Aster), Bellis (Daisy), Erigeron (Fleabane), E.canadensis (Canadian Fleabane)

Mine: Early Summer and Autumn

Pupa: inside the mine

Notes: The initial gallery by the first instar larva then leads to a whitish circular or oval upper surface blotch. The puparium is firmly fixed to the inside of the mine by an accumulation of frass (as shown in lateral (top) and dorsal (bottom ) view). A widespread but local miner. Ex mine on Bellis (Daisy)

Data: 03.xi.2018, Downham Market, Norfolk, VC28

Image:© Rob Edmunds

sponsored by Colin Plant Associates (UK) LLP/Consultant Entomologists