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Distribution Map

70.271 BF1948
Small Engrailed Ectropis crepuscularia

sensu auctt. nec ([Denis & Schiffermüller], 1775)

Wingspan 38-44 mm.

Very difficult to tell apart from The Engrailed (Ectropis bistortata); in fact some authors consider them to be conspecific. Generally, the species is paler and flies in May and June, whereas E. bistortata flies in two generations, in March and , and then in July and August.

Because of the identification problems, the distribution information is a little sketchy, but it is widespread in Britain northwards to southern Scotland.

The foodplants are birch (Betula), sallow (Salix) as well as other trees.

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