Hadula melanopa, the broad-bordered white underwing, is a moth of the family Noctuidae.

wistroemi Lampa from Sweden and the Shetland islands, has the forewings darker, more mixed with brownish or yellow, the underside with a broad black border like that of hindwing; — in rupestralis Hbn.

the white of the hindwing is obscured by dark smoky fuscous; this form is restricted to the Alps and the mountains of central Italy; vidua Hbn.

It may be noted that in typical melanopa the underside of both wings is white, but becomes clouded and darkened in proportion to the darkening of the upperside.— Larva rosy purple; dorsal line ochreous edged with dark, and marked with red spots; subdorsal line yellowish, black edged, with row of black marks above and below it; the spiracular line pale yellow marked with red.

The larvae feed on various plants, including Empetrum, Vaccinium, Dryas octopetala and low growing Salix species.