Hym:Tenthredinidae
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Heterarthrus aceris (Kaltenbach, 1856)
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the disc can be seen here

 

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. The disc, pre-excision is shown. A widespread miner of Sycamore

Data: 14.vii.2005, ex. mine 03.vii.2005, Groß Gerungs, Austria, Ewald Altenhofer

Image:© Rob Edmunds

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