CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 237 



Larva. — A dull white caterpillar with head and upper part of neck 

 segment brown; living within its case; feeds on woolens, carpets, furs, 

 feathers, etc. 



Pupa. — Formed within larval case; duration about 3 weeks. One 

 generation a year in the North. 



2. Webbing or Southern Clothes Moth {Tineola biselliella Hum.). — 

 Two or more broods in the North; more common than the preceding 

 in the North. 



Adult. — Fore wings pale ochreous. Female larger than the male; 

 lays 4c^5o eggs. 



Eggs. — ^Laid among the threads of the cloth; hatch in 7 days. 



Larva. — Constructs no case, but spins a silky cobwebby path 

 wherever it goes; full grown in 10 or more weeks. Feeding all months 

 of the year on woolens and furs. Not readily poisoned. 



Pupa. — Cocoon stage 2 or more weeks. 



3. Tapestry Moth (Trichophaga tapetzella L.). — Rarer and slightly 

 larger than either of the preceding. 



Adult. — Head white, basal half of fore wings black; outer half creamy 

 and grey; hind wings pale grey. Expanse ^^4 inch. 



Larva. — Burrows in food materials, lining them with silk — no other 

 protection than the galleries or burrows it makes. Feeds on carpets, 

 horse blankets, tapestries,, felting, furs, skins and woolen upholstering 

 of carriages. 



Control. — Give clothes or carpets a thorough beating, spray with 

 benzine and expose to sun for some hours, and repeat frequently. 



C0SSID.E (Carpenter Moths) 



Leopard Moth (Zeuzera pyrina Linn.). — A serious pest of shade trees 

 in the East, especially of elm and maple. A native of the old world. 



Adult. — A white moth with blue and black markings; female much 

 larger than male and a feeble flyer. Male with pectinate antennae; 

 wings semi-transparent and white with black markings; thorax with 

 six large and one small black spot. 



Eggs. — Oval, salmon-colored, deposited either singly or in a large 

 mass in crevices of bark; hatch in about 10 days. 



Larva. — White or pinkish, over 2 inches long when full grown; 

 numerous dark tubercles with hairs on body; head, thoracic and anal 

 shields brown. Bores along the pith, eating the wood at intervals, 



