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Agromyza alnivora Spencer, 1969
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forms a twisting mine


Food Plant: Alnus spp., Alnus incana (Grey alder), Alnus glutinosa (Alder), Alnus cordata (Italian Alder)

Mine: Bivoltine: Summer & early autumn

Pupa: Outside the mine

Notes: An upper surface gallery, narrow at first but, widening considerably towards the end. Not common, but widespread. Southern England and Inverness-shire. Mine shown on Alnus glutinosa

Data: 25.vi.2013, Ham (Limburg), Belgium

Image:© Carina van Steenwinkel

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