Hym:Tenthredinidae
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Heterarthrus microcephalus (Klug, 1818)
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pupal disc

 

Food Plant: Salix spp. (Willow)

Mine: Summer and Autumn

Pupa: In the mine in a large transparent cocoon

Notes: Forms a large blotch mine, with little frass.The larva has short legs. the pupal disc can be seen

Data: 15.x.2013, Meerhout, (Antwerpen), Belgium

Image:© Carina Van Steenwinkel

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