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of the Lepidoptera of Belgium


Epirrita dilutata  ([Denis & Schiffermüller], 1775)

A common species throughout Belgium. The most widespread and commonest of the three Epirrita species.

The larva lives on a variety of trees and shrubs. Hibernates as an egg, laid near buds on twigs. 

The adults fly from late September till November. They are attracted to light and occasionally to sugar.

ID: Poorly-marked specimens are best identified by reference to the genitalia, but characteristic individuals are identified by; the discal spot (vaguely oval or short vertical dash) is frequently obscure and indistinct. Normally it touches or merges with a projection from the irregular inner edge of the post-median fascia, which at this point resembles a figure 3 shape. Sometimes when the discal spot is clear of the fascia, the latter is not noticeably curved or angled around it.


Belgium, West-Vlaanderen, Heule, 07 October 2005.
(Photo © Pieter Vantieghem)
More pictures

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