292 



ECONOMIC ENTOMOLOGY 



rapidly, but may be retarded by cold weather or by lack of food. 

 Normally six moults; feeds on woolens. 



Pupa. — Yellowish, formed within a larval skin. 



Control. — Use rugs; remove and beat the carpets, and spray them 

 with gasoline; scrub the floors with soap and water; spray floors with 

 gasoline, and fill the cracks with putty. 



Black Carpet Beetle {Attagenus piceus Oliv.). — Introduced from 

 Europe. Injury done by the larva. 



Adult. — A small black oval beetle, smaller than the Buffalo Carpet 

 Beetle, He inch long. 



Eggs. — White, broadly oval; laid about the edges of the carpet or on 

 woolens. 



Fig. 191. — Buffalo carpet beetle {Anthreniis scrophulariae): a, larva, dorsal 

 view; b, pupa within larval skin; c, pupa, ventral view; d, adult. All enlarged. 

 (From Riley.) 



Larva. — A reddish-brown active grub, 3^^ inch long, with a long 

 bushy tail of reddish hairs; body cylindrical with closely appressed 

 hairs. 



Pupa. — Duration 6-15 days; clothed with a coat of whitish hairs. 



A museum pest; a house pest feeding on woolens, carpets and 

 feathers. Probably requires 2 years for life-cycle. 



Raspberry Byturus (Byturus imicolor Say). Adult. — A small brown 

 dermestid beetle, I7 inch long; body covered with pale tawny hairs. 

 May- July. Feeds on young leaves and buds. 



Eggs. — ^Laid in June on the unripe fruit, one egg on a berry and at- 

 tached by one side to one of the carpels. 



Larva. — A small white plump cylindrical grub, H inch long; each 



