Immigrant and recent resident.
Coastal habitats, heathland, fens, woodland, scrub, gardens.
Round pure white mark on forewing diagnostic.
Over the last decade this species has established itself in the County, with only 5 records in 2000 up to 557 records in 2014.
Recorded in 64 (93%) of 69 10k Squares.
First Recorded in 1940.
Last Recorded in 2020.