Polish kermes lives in the roots of Scleranthus perennis L. Polish kermes are found from eastern Germany to the Ukraine . This shield louse, or scale insect, is a parasite on the roots of Scleranthus perennis. The female insects are collected in June, killed in a vinegar solution, dried, and marketed in this form as the raw material for the dyestuff. From a single plant, 40 to 50 insects can be collected. After they are taken from the roots of the host plant, it is replanted.