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of the Lepidoptera of Belgium

Xanthia gilvago ([Denis & Schiffermüller], 1775)

A rare and local species in Belgium, though widespread. In the south of the country so far, only known from older records before 1980. Populations have declined because of the Dutch elm disease.

The larva feeds on the seeds, flowers and leaves of mainly Ulmus minor, but also on Ulmus procera and Ulmus glabra. Later on, it accepts also various species of herbaceous plants. Hibernates as an egg on the twigs of the foodplant.

The adults fly in one generation a year: from beginning of September till end of October. They come to light and sugar.

Belgium, West-Vlaanderen, Ingelmunster, 24 September 2006.
(Photo © Kurt De Smet)

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