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2139 ~ Red Chestnut ~ Cerastis rubricosa
UK Status

Resident. Common

Montgomeryshire Status

A common species, found throughout the county.

Wingspan :  M & F, 32-38mm.

Confusion species


Flight time (Montgomeryshire)


Mostly broadleaf woodland and open scrub, but also found in gardens and moorland.


Bedstraws, sallows and bilberry.

Lifestage data

Overwinters as a pupa in a strong cocoon formed in the debris. Larva mid late April-June, feeding at night.
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Montgomeryshire photos

Photo by PRW, 4th Mar 2007, Commins Coch

Photo by MDH, 29th Mar 2010, Llanfyllin

Photo by MW, 6th May 2011, Cors Dyfi.
An unusual grey form.

Photo by PB, 12th Mar 2012, Morben ISAF