Economic entomology for the farmer Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . economicentomolo00smit Year: 1906 178 AN ECONOMIC ENTOMOLOGY. Tlie larder-beetle. Dermes- tes lardarius.—a, larva; b, a single hair from larva ; c, adult beetle. These belong to the family Dey))U'stidce, which contains such nuisances as the 'larder-beetles,' 'carpet-beetles.' and 'mu- seum-beetles.' The elytra, which cover the abdomen completely, are black or gray, usually ornamented with white or colored scales, which sometimes form
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Economic entomology for the farmer Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . economicentomolo00smit Year: 1906 178 AN ECONOMIC ENTOMOLOGY. Tlie larder-beetle. Dermes- tes lardarius.—a, larva; b, a single hair from larva ; c, adult beetle. These belong to the family Dey))U'stidce, which contains such nuisances as the 'larder-beetles, ' 'carpet-beetles.' and 'mu- seum-beetles.' The elytra, which cover the abdomen completely, are black or gray, usually ornamented with white or colored scales, which sometimes form quite pretty markings. The 'larder-beetle, ' or 'bacon- beetle, ' Dermestes lardarius, is rather more than one-fourth of an inch long, and easily recognizable by having the 1^ MiM^k>< t. anterior half of the wing-covers pale C luHliiifc brown or vellowish, its livery else being JlBiiLjIf K ^, f ^ sombre black or dark gray. The larva is nearly half an inch in length, rather narrow yet plump, ;uid clothed with rather dense, long, brown hairs. It feeds on stored provisions of all kinds, on hides, skins, or other similar substances, and is occa- sionally quite troublesome in smoke-houses. Cleanliness, plenty of air, tight receptacles, and close-meshed wire netting on the covers or doors of pantries and boxes are the best prevent- ives, supplemented by destruction of the beetles and larvae wherever noticed. Good results are often obtained by leaving a tempting bit in an exposed position, which will act as a trap, attract- ing beetles and larai where they can be easily found and destroyed. Several other species, similar in size but differently marked, have similar habits, and among them the ' leather-beede, ' D. vu/phms, has been responsible