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70.251 ~ 1930 ~ Oak Beauty ~ Biston strataria
UK Status

Resident. Common S,C,(N).

Montgomeryshire Status

A common species, found throughout the county.

Wingspan :  M & F, 51-56mm.

Confusion species

Flight time (Montgomeryshire)


Mostly mature oak woodland but also found in hedgerows, gardens and urban areas.


Most broadleaf trees.

Lifestage data

Overwinters as a pupa underground. Larva May-July.
Montgomeryshire photos

Photo by MDH, 15th Mar 2010, Llanfyllin

Photo by PRW, 20th Mar 2012, Commins Coch
Pic shows dark form