PEPPERED MOTH    Biston betularia

Local and scarce but may be more widespread than previously thought. Rosie stated that it was found only in birch at Berriedale Scottish Status: Common - stable. UK Status: Common UK distribution has increased but a steep long-term reduction in abundance (cf: Atlas of Britain & Ireland's Larger Moths) First and last flight dates recorded in Caithness: 3rd June to 23rd July MAP: red dots last record 2010 to 2019  green dots 2020 to present

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