Very rare immigrant (less than 10 previous UK records) from north-eastern Europe, appearing along the east coast of Britain, often associated with immigration of species such as Scarce Silver Y and Great Brocade. Prior to 1979, only four British specimens are known. Not recorded in Hampshire or on the Isle of Wight to date. Wingspan 38-44 mm. Voucher specimen should be retained for confirmation of identification. Larva polyphagous on herbaceous plants such as Bilberry, Rosebay Willowherb and Great Willowherb, no evidence of breeding in the UK.

Flightime guide
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