DermestesDer*mes"tes\, n. [NL., from Gr. ?; ? skin + root of ? to eat.] (Zo["o]l.) A genus of coleopterous insects, the larv[ae] of which feed animal substances. They are very destructive to dries meats, skins, woolens, and furs. The most common species is D. lardarius, known as the bacon beetle.