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of the Lepidoptera of Belgium

Paracolax tristalis (Fabricius, 1794)

A rare species in Belgium, hitherto only known from some southern provinces and Brabant. Also known from very old records in the Kempen.

The larva lives on a variety of trees and shrubs such as Quercus, Crataegus and Corylus. It feeds mainly on fallen leaves. It hibernates as a larva between spun leaves on the ground where it later pupates in a cocoon. 

The adults fly in one generation a year; from mid June towards end of August. They are active from dusk onwards and later come to light and sugar.

Belgium, Namur, Belvaux, 24 June 2006.
(Photo © Chris Steeman)
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© Flemish Entomological Society