370 



Table Xllle. Second and third lots of pupae at approximately constant tem- 

 perature, 1020, (hibernating generation). 



Second Lot. (All except ANv' larvae collected from bark of trees, March i 



The Max. and Min. Temp, any day were, respectively, 66° and 60° F. for A; 

 and 81° F. for B. 



Longest pupal life was as follows: For BEvI, BEv6, BEvlO. — 18, 11. 19, 

 respectively ; the shortest for BEvlO was 5 days. 



Third Lot. (Below black line), larvae collected from bark of trees March ! 



The Max. and Min. Temp, any day were respectively, 66° and 63° F. for A; 

 and 82° P. for B. 



Longest pupal life for BW and EVj was 10 days; the shortest, 8.5 and 9.5 

 spectively. 



