Four British Northern Eggar moths, females. One is an extremely dark aberration and another is the melanic ab. olivacea

Data: 
1) Sutherland, Scotland, bred. 20.6.78
2) Ben Nevis, Scotland. v.2007, Bred ex L.
3) Ben Nevis, Scotland, vi.2007. Bred ex L.
4) Caithness, bred ex L. v.2007