Irish moths

Oak Beauty, Biston strataria

Family: Geometridae       Sub-family: Ennominae

1930     *     Oak Beauty     *     Biston strataria


Widespread but scarce
Wingspan: 40-50mm

Flight time: February-April
Habitat: Most frequent in mature oak woodland, also found in suburban woods, gardens and hedgerows

Larval feed on the leaves of a range of broad-leaved trees and shrubs including Oak, Hazel, Alder and sallows


Oak Beauty, Biston strataria


Oak Beauty, Biston strataria


Oak Beauty, Biston strataria

Oak Beauty, Biston strataria
Photographs: Ballingeary, Co. Cork, SW Ireland. 2011

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