Pale form of Dysstroma citrata

''Dysstroma citrata'', the dark marbled carpet or northern marbled carpet, is a moth of the family Geometridae. The species was first described by Carl Linnaeus in 1761. It is found across the Holarctic ecozone and it has been reported from India.

The wingspan is 25–32 mm. The ground colour of the forewings may show whitish, grey, black or brown tints but the colour is extremely variable and there are strongly darkened forms. Characteristic is the protruding post medial line on the.. more