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Ypsolopha ustella (Clerck, 1759)

A rather common species throughout Belgium.

The larva feeds from a slight web on the upperside of the leaves of Quercus. Pupation in a whitish boat-shaped cocoon on a leaf, trunk, or amongst leaf-litter on the ground. The adults hibernate.

The adults can be observed from mid July towards April. They occasionally come to light.

Belgium, Antwerpen, Schoten, 31 March 2004.
(Photo © Leo Janssen)

Comments to Willy De Prins or Chris Steeman
© Flemish Entomological Society