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of the Lepidoptera of Belgium

Coleophora albicosta  (Haworth, 1828)

A rare species in Belgium.

The larva bores into a seedpod of Ulex europaeus or Genista and eats the developing seeds. Later it leaves the pod and construct a cigarshaped case made of sepals, which it attaches to a seedpod and bores into the pod to feed. Finally it leaves its feeding case and spins another case entirely of silk attached on the upper surface of the lower calyx lobe of the dead flower were it pupates after overwintering.

The adults fly onwards from late May towards July in one generation. They are active by day, especially at dusk and later comes infrequently to light.

Belgium, Namur, Maizeret, 12 August 2010.
case whilst feeding on Ulex europaeus
(Photo © Jean-Yves Baugnée)
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Comments to Willy De Prins or Chris Steeman
© Flemish Entomological Society