Scottish Status: Regular immigrant, has bred - more frequent since 1980. UK Status: Migrant
UK distribution shows a large increase since 1970 (cf: Atlas of Britain & Ireland's Larger Moths)
Top photograph © Calvin Wilson Lower photograph © Fergus Mather
First and last flight dates recorded in Caithness: 26th May to 17th September
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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