Technical description and variation Black arches

white forewing black basal spots , 4 sharply angulate black transverse lines, second of broadest; hindwing greyish white , grey. abdomen light rosepink. species varies , has received following aberrational names, nigra fr.: 2 central bands confluent @ costal , posterior margins, forming black spots, or whole median area dark, red of abdomen weaker, eremita g.: forewing , abdomen smoke-brown or blackish grey, former black markings, atra linst.: forewing uniformly black, without markings, hindwing greyish brown, abdomen black, lutea anel light form in central bands interrupted; red colour of ab domen equally deep thorax, flavoabdominalis schultz has abdomen yellow instead of red; subfusca schultz female distinguished black in true monacha being yellowish brown, , abdomen being yellowish brown instead of red; in obsoleta schultz dark transverse bands in median area of forewing absent, while remain in basal , outer-marginal areas. these names given european specimens.