Hym:Tenthredinidae
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Heterarthrus aceris (Kaltenbach, 1856)
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the mine develops at the leaf edge

 

Food Plant: Acer pseudoplatanus (Sycamore) only.

Mine: Univoltine: early summer.

Notes: A large, upper surface marginal blotch, usually going brown and usually with an excised hole, which is characteristic of Heterarthrus species. A widespread miner of Sycamore. The developing mine is shown

Data: 18.vi.2006, Fleet, Hants,VC12, ex mine 12.vi.2006, Zwett, Austria, Ewald Altenhofer

Image:© Rob Edmunds

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