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Griposia aprilina

Widespread, though thinly scattered over most of Britain.

 Larvae are greenish black, with a fulvous tinge; a dorsal series of dark medallions; dorsal line pale, interrupted, with black edges; spiracular line pale like the venter.

The Larvae feed on Oak.

Forewing whitish green; lines and markings velvety black, the median shade especially thick; upper stigmata large; all the black markings emphasised by white; hindwing blackish grey; the cellspot, outer line, and submarginal shade darker; a white terminal space before the black marginal line.

The Moth flies in September and October and comes to light.