Forewing strongly transparent, glossy grey, with 6 red spots, the 2., 3., 4. and 5. being edged with black at the proximal and distal sides.

This is a normal form in Spain, while in Liguria only single individuals of it are found among typical specimens.

(6h), from South Portugal, is similar, but the 6. spot of the forewing is entirely obsolete or only slightly vestigial.

— Larva variegated, grey, black, longitudinally striped with white and yellow, with red collar; in April full-grown on Dorycnium.

The moths in spring till May, frequently sitting on stalks of grass.