Kerria lacca
 Kerria lacca is a species of scale insect of the family Kerriidae. It is most well known for secreting lac a commerically important scarlet substance that is used for dyeing wool and silk as a cosmetic and as a medicinal drug. Kerria lacca insects inhabit trees in colonies of thousands and secrete the resinous substance.Kerria lacca excretions can be processed to produce shellac which is used as an ingredient in wood finishing varnishes and polishes such as French polish.