Hym:Tenthredinidae
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Heterarthrus healyi (Altenhofer & Zombori, 1987)
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the larva pupates in a disc

 

Food Plant: Acer campestre (Field maple) only.

Mine: Bivoltine: summer & autumn

Pupa: Outside the mine, inside an excised cut out disc.

Notes: A blotch like H.aceris, but smaller and usually including the tip of a lobe. There is always an excised hole and the mines go brown. Uncommon. The larva pupates in a disc (as above).

European name: Heterarthrus wuestneii

Data: 31.v.2008, Altlengbach, Austria, Ewald Altenhofer

Image:© Rob Edmunds

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