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Thaumetopoea processionea (Linnaeus, 1758)

A rather common species in Belgium. A species of fluctuating occurrence: sometimes absent, sometimes a pest in oak forests. It has mainly been observed in the Kempen region, but occurs also in other regions.

The larva lives on Quercus. Hibernates as an egg.

The adults fly mainly in July and August, though some specimens have been observed as early as 28 May. They come to light. 

Belgium, Antwerpen, Viersel, 03 August 2004.
(Photo © Maarten Jacobs)
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Comments to Willy De Prins or Chris Steeman
© Flemish Entomological Society