Said by Rosie to be common on birch in Regions 2 and 4, but not recorded from any of the Rothamsted sites.
Scottish Status: Common - stable. UK Status: Common
UK abundance shows a major decrease (cf: Atlas of Britain & Ireland's Larger Moths)
First and last flight dates recorded in Caithness: 23rd May to 27th July (Records from late August to mid-September may indicate 2nd generations in some years)
MAP: blue dots last record 2000 to 2009 red dots last record 2010 to 2019
green dots last record 2020 to present
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