General comments:
Widespread resident.

Clouded Border is expected during most trapping sessions between mid-May and mid-August. There is considerable variation in the extent of black markings between individual moths, but no particular geographical or seasonal trend towards more or fewer markings is discernible.

Recorded in 38 (93%) of 41 10k Squares.
First Recorded in 1887.
Last Recorded in 2024.