Coccinellidae (/ˌkɒksɪˈnɛlɪdiː/) is a widespread family of small beetles ranging in size from 0.8 to 18 mm (0.03 to 0.71 inches).The family is commonly known as ladybugs in North America, and ladybirds in Britain and other parts of the English-speaking world. Entomologists widely prefer the names ladybird beetles or lady beetles as these insects are not classified as true bugs. SEE MORE