European Hym:Tenthredinidae
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Heterarthrus leucomela (Klug, 1818)
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a blotch is formed from the leaf tip

Food Plant: Acer pseudoplatanus (Sycamore), A. campestre (Field Maple)

Egg: laid at the tip of a leaf

Mine: August - September

Notes: A large blotch mine is formed from the tip of a leaf (as shown). The pupa is formed in the disc - as above (top right). The species has a long feeding period, more than two months (similar to Heterarthrus nemoratus). Completed mines may be found at the end of July in lower regions of Austria.

Data: 06.ix.2006, Fleet, Hants,VC12 ex mine 01.ix.2006, Etzen, Austria, Ewald Altenhofer

Image:© Rob Edmunds

sponsored by Colin Plant Associates (UK) LLP/Consultant Entomologists