October, 1929] 



WHITE PINE WEEVIL 



21 



for two eggs laid June 15 and for one laid June 27. The average total 

 developmental period was 56 days in the cage and 52.7 days in the green- 

 house. 



Table l\.— Length of the Pupal Stage, 1928 

 IN THE INSECTARY CAGE 



IN THE GREENHOUSE 



