\Coc`ci*nel"la\, n. [NL., fr. L. coccineus
scarlet-colored. See {Cochoneal}.] (Zo["o]l.)
A genus of small beetles of many species. They and their
larv[ae] feed on aphids or plant lice, and hence are of great
benefit to man. Also called {ladybirds} and {ladybugs}.