PLANTING AND CARE OF TREES 



165 



bright red tubercles. The head is bright red and is supplied 

 with two tufts of long black hairs. A single long tuft is borne 

 on the posterior extremity. 



About the first of July the larva spins a silken cocoon, gray in 

 color and attached to the rough bark of the tree. It remains 

 in this condition about two weeks when the adult moth emerges. 

 The female moth which is without wings, about a half inch in 



Fig-. 87. White-marked Tussock Moth Larvae on under 

 side of leaf. (Natural size.) 



length, and gray in color, soon commences to deposit her eggs. 

 The eggs are laid on the outside of the abandoned pupal case or 

 cocoon. These soon hatch forming the second brood which goes 

 through the same transformations. 



