Hym:Tenthredinidae
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Heterarthrus cuneifrons Altenhofer & Zombori, 1987
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ventral
prepupa in ventral view

 

Food Plant: Acer pseudoplatanus (Sycamore)

Egg: laid in the centre of the leaf

Mine: early Summer

Notes: Forms a large central blotch mine, which rarely reaches the leaf edge. The pupa forms inside a disc in the mine, which is made furthest away from the leaf centre. First discovered in Kent in 2005. It is a scarce leaf miner in Europe. The prepupa is shown in ventral view (the ventral sclerotizations are just visible, as these are much diminished in the prepupal stage).

Data: Data: 08.vi.2015, ex mine 23.v.2015, Volkegembos-Bos t' Ename, (Oost-Vlaanderen), Belgium

Image:© Carina van Steenwinkel

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www.leafmines.co.uk