00 LOWER PTERYGOTA 



mate until somewhat late in the season, seldom during mid- 

 summer, but probably by the latter part of August. 



In regard to the deposition of eggs, it would seem that 

 they must select rather solid parts of the sand, but egg 

 masses have not been found. There is no way for the 

 nymphs to travel any great distance. The eggs must be 

 deposited during the autumn months, ])rol)ably in September 

 and October. They survive the winter protected in the 



Fig. 31. — Dissosieira Carolina, female. (After Lugger.) 



sand or in places where there is more solidity in the soil. 

 The eggs hatch in the spring, probably in June, some perhaps 

 in May. It does not seem necessary for them to adjust 

 themselves particularly at this stage to any conditions, for 

 the life-cycle can be carried through easily in summer. 

 There is one generation a year. 



The more common form is a rather light gray, with the 

 spots of a rusty color, and some spots of darker color, a granite 

 combination, resembling the surface of the sand. Another 



