TUFTED CATERPILLARS EATING THE LEAVES 295 



The Tussock Moths 

 Three species of caterpillars of striking appearance, the larval stages 

 of tussock moths, infest the foliage of orchard and forest trees. Of 



Fig. -430. 



Larva of the Rusty Tussock ISIotL. 

 Original. 



Fig. 437. — Egg-mass of the 

 White Marked Tussock 

 Moth on cocoon. Original. 



these the White Marked Tussock Moth 

 {Hemerocampa leucostigma^. and A.) is in 

 many sections the most common, while 

 in others the Rusty Tussock Moth {Hem- 

 erocampa antiqua Linn.) or the Definite Marked Tussock Moth 

 (Hemerocampa definita Pack.) may be the one most in evidence. 



Fig. 438.— The White Marked Tussock 

 Moth. Adult male. Original. 



Fig. 439. — The Rusty Tussock 

 Moth. Adult female. Original. 



The caterpillar of the white marked tussock moth is hairy, 1| to 1| 

 inches long, yellow, striped with black. Its head is bright red. There 

 are four tufts of white hair on its back, a pencil of black hair projecting 



