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Leucania obsoleta (Hübner, 1803)

A not so common and local species in Belgium. Most records are from the northern part.

The larva lives on Phragmites australis. It hides inside the stem during daytime. Hibernates as a fully grown larva, generally in a hollow, broken, but standing, dead stem or in fallen reed litter, sealed with silk and pupates there in the spring.

The adults fly in one generation a year; from early May till end of July. Sometimes a partial second generation occurs from late August towards late September. They come to light and sugar.


Belgium, Antwerpen, Viersel, 28 May 2005.
(Photo © Maarten Jacobs)

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