Hym:Tenthredinidae
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Heterarthrus aceris (Kaltenbach, 1856)
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two hymenoptera parasites have pupated

 

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, which has been parasitised. Two cocoons of Phanomeris sp. (a braconid) are visible in the mine.

Data: 18.vi.2006, Fleet, Hants,VC12, ex mine 30.vi.2006, Etzen, Austria, Ewald Altenhofer

Image:© Rob Edmunds

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