Brown, A.W. 1939 Annual report of the forest insect survey.. Annual Report of the Forest Insect Survey: Forest Insect Survey Investigations, Dept. of Agriculture Canada 5-38.

Keywords:

survey

Notes: Chionaspis pinifoliae, Cryptococcus fagi, Physokermes piceae and Toumeyella numismaticum are among the species listed as forest pests.