Hym:Tenthredinidae
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Metallus lanceolatus (C.G.Thomson, 1870)
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a large blotch mine is formed

Food Plant: Geum aleppicum (Common Avens), G x 'Borisii' (Boris avens), G.urbanum (Herb Bennett)

Mine: Bivoltine: summer & early autumn.

Pupa: Outside the mine

Notes: A full depth blotch. Frass black and plentiful. Local. (Formerly called Metallus gei). Mine shown is on Geum urbanum.

Data: 19.vi.2006, Fleet, Hants, VC12

Image:© Rob Edmunds

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