It is found from central and southern Europe, North Africa, Asia Minor to Transcaspia.

The ground colour is white with strong silky gloss, the lines grey, seldom strongly expressed, on the other hand usually all present, thus numbering five on the forewing and four on the hindwing; the outermost line (distal shading of subterminal) the oftenest absent; all except the median are parallel with the distal margin, but slightly wavy; the median on the forewing is usually somewhat oblique, but occasionally almost parallel with the others; that of the hindwing runs straighter across the wing, instead of following the curve of the strongly convex distal margin.

Not on the whole an extremely variable species, except in size; there is, however, a great deal of trivial variation, i.e. as regards the absolute or relative strength of the several lines, the close proximity of the inner subterminal to the postmedian or their wider separation, the degree of suffusion of the under surface, etc.

It is initially light yellow and later turns bright orange with red spots.The caterpillar is relatively slender, the diameter decreasing a little at the front end.

The larvae feed on low growing plants such as knotgrass, dandelion and chickweed.