THE BUTTERFLIES AND MOTHS 



55 



well-known species, Phlegethon'tim sex'ta (Fig. 33), found on 

 tomato, potato, and tobacco plants. The larva, though often 



credited with poisoning people by sting- 

 ing them with the long curved caudal horn, 

 is in reality entirely harmless. The pupa 

 is remarkable for the long coiled proboscis- 

 case. 



Tussock-Moths. The tussock-moths, 

 though few in number of species and incon- 

 spicuous in the adult stage, are compara- 

 tively well known from their conspicuous 

 larvse, which are clothed with white or 

 brightly colored tufts of hair. The white- 

 marked tussock-moth (NotoV ophus leuco- 

 stiy'ma, Fig. 34) is the commonest species 

 in the eastern United States. The head 

 and some body-spots are bright red. A 

 black stripe runs down the middle of the 

 back and yellow stripes occur on either 



FIG. 34. Metamor- g^e. Long brushes of black hairs are 

 phosis of Tussock- . , -11-1 



Moth. Natural size borne anteriorly and posteriorly, while 



four dense clusters of white hairs stand 

 up prominently from just behind the head. The females are 

 wingless and look more like white grubs than moths. When 



