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Ectropis crepuscularia ([Denis & Schiffermüller], 1775)

A very common species throughout Belgium. Some authors consider Ectropis bistortata (Goeze, 1783) as a different species.

The very variable larva lives on a variety of trees, like Betula and Salix. Hibernates as a pupa underground.

The adults fly in two, difficult to separate, generations a year, usually from mid March towards mid September. During mild conditions the first moths can be seen from early February onwards. They come to light.


Belgium, Luxembourg, La Roche, 14 July 2009.
(Photo © Chris Steeman)
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© Flemish Entomological Society