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70.27 ~ 1947 ~ Engrailed ~ Ectropis crepuscularia
UK Status

Resident. Common

Montgomeryshire Status

A common species, found throughout the county. Most authorities now consider this and the Small Engrailed to be a single species and it has been treated as such in Montgomeryshire from 2024. It should also be noted that although the flight graph shows three distinct flight periods in Montgomeryshire, Engrailed has in fact been recorded in every month of the year.

Wingspan :  M & F, 38-45mm.

Confusion species

Flight time (Montgomeryshire)


Mostly broadleaf woodland, but also found in scrub, hedgerows, parks and gardens.


Many species of broadleaved trees and shrubs.

Lifestage data

Overwinters as a pupa underground. Larva April-June and late July-early September.
Montgomeryshire photos

Photo by PRW, 24th Aug 2008, Commins Coch

Photo by MDH, 25th July 2008, Llanfyllin

Photo by MDH, 19th Mar 2010, Llanfyllin

Photo by PRW, 1st July 2010, Commins Coch
Pic shows smaller, second generation

Photo by PB, 14th Mar 2011, Morben Isaf