Identification
Unmistakable.
Life cycle
One generation. Overwinters as a pupa on the leaf of birch. Larvae are present late July to late September.
Larval foodplants
Downy and Silver Birch.
Habitat
Birch Mocha is a lover of heaths and bogs where birch grows.
History 1860-2010
The first record for Dumfries and Galloway was for VC73 in 1973 at Bridge of Dee, near Castle Douglas in the Rothamsted moth trap. The first record for VC72 was in 1982 at the Barony College, Dumfries by Pelham-Clinton.