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of the Lepidoptera of Belgium

Incurvaria praelatella ([Denis & Schiffermüller], 1775)

Only known from the southern half of Belgium.

The young larva makes a circular blotch mine in the leaves of Fragaria vesca or Geum rivale. Later on it constructs a flat oval case cut from the mine which is subsequently enlarged to a fiddle-shaped case with silk and plant hairs. Caterpillars living on Fragaria cut off a segment from the tip of the leaf and attach it to the underside of the same leaf, feeding on it as they wither. Caterpillars living on Geum feed on the underside of the older leaves from the ground. Pupation takes place in the case.

The adults fly from early May till mid June. The moths are active during the day; they prefer bright sunshine.

Belgium, Namur, Wellin, 17 May 2003.
(Photo © Leo Janssen)
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Comments to Willy De Prins or Chris Steeman
© Flemish Entomological Society