The Collaborative International Dictionary of English v.0.48:

Dermestes \Der*mes"tes\, n. [NL., from Gr. dermhsth`s; de`rma
   skin + root of ? to eat.] (Zool.)
   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
   Dermestes lardarius, known as the bacon beetle.
   [1913 Webster]