White-Pine
Weevil Research
in the Northeast
A paper presented at the annual meeting of the Entomological Society of America at Memphis, Tennessee, December 1957.
by
H.A. Jaynes
Northeastern Forest Experiment Station
Forest Service, U.S. Dept. Agriculture
EASTERN white pine is one of the most important sawtimber species in the Northeast. This species would have still greater potential value were it not for the white-pine weevil. Pissodes strobi (Peck), its most notorious insect pest. This is a native insect that occurs throughout the range of eastern white pine. A large percentage of the white pines in natural stands and plantations have been attacked once or more; and the crooks or forks that result from the attack greatly reduce the quality and quantity of timber that such stands produce.
The size of the loss is merchantable volume of standing white pine caused by the white-pine weevil was revealed in a study made in New Hampshire (6). The average volume
