Willow Leaf-rolling Sawfly

Pamphilius gyllenhali

Pamphilius gyllenhali (Dahlbom, 1835), sometimes reffered to as the "Willow Leaf-rolling Sawfly" is a web-spinning sawfly (Pamphiliidae) known from Northwestern Europe.
Pamphilius gyllenhali Pamphiliidae,Pamphilius,Pamphilius gyllenhali,Symphyta,sawfly

Behavior

The larvae develop on Willow (Salix) an will eventually cut a slit in the leaf and with help of some spun silk create a leaf rollto complete their cycle.

References:

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderHymenoptera
FamilyPamphiliidae
GenusPamphilius
SpeciesPamphilius gyllenhali
Photographed in
Netherlands