CUCUFUS (2) SP. . 
never found it in the latter's galleries, and the smaller Poly. 
graphus is almost invariably, as far as my observations go, 
present withthe Tomicus. I have found it swarming in numbers 
in trees deserted by the Tomicus but still containing numbers 
of the smaller Polygraphus beetle. It appears to be more 
abundant, or, at any rate, more “en evidence” than the J, 
canalicoliis, and at times it swarms in the galleries in enormous 
numbers. 
This beetle occurs all through the area over which the two 
Polygraphus beetles have been found. 
The number of generations in the year, the date of appear- 
ance of the larval and pupal stages, where they are passed, 
and the food fed upon in the larval stage have yet tobe 
observed. 
