Sawyer, M o ii o h a m m u s c o n f u s o r Kirby 



1 Adult, much reduced 



Urographis fasciatus DeG. 



2 Adult 



White-spotted sawyer. Mono h a m m u s s c u t c 11 a t u s Say 



3 Adult 



Red cedar bark beetle, P h 1 o e o s i n u s d e n t a t u s Say 



4 Typical g-allery in Arbor vitae 



Pityogenes sp. 



5 Work in white pine 



Pityophthorus sp. 



6 Work under hard pine bark, and probaljly that of C a 1 1 i d i u m ante n- 



n a t u m Newm. 



786 



