THE CANADIAN ENTOMOLOGIST. 



DO 



possible to secure males outside, as not an individual of either sex could 

 be found. But on September i8 a number of larvie, varying in size from 

 very small ones to those fairly well developed, were observed in plants in 

 the near vicinity. These plants were transferred to a breeding cage. 

 The larvic disappeared, and, as they could not escape from the cage, 

 they must liave either entered the ground or perished from lack of food, 



Kii,. 



IM(;. 



Fig. 3- 



as might have been the case with the younger, on account of severe frost 

 and freeze September 26, which killed the plants. 



On September 30, 1898, quite an extensive search was made for 

 adult sawflies, but none could be found. Found numerous larvae, vary- 

 ing from real young- to full-grown individuals. Numerous adult parasites 

 were found also. The frost killed the plants about this time, thus clos- 

 ing the breeding season. 



