Canadian Forest Service Publications
Spatial and temporal variations in the distribution of the western pine beetle, its predators and parasites, and woodpecker activity in infested trees. 1970. DeMars, C.J., Jr.; Berryman, A.A.; Dahlsten, D.L.; Otvos, I.S.; Stark, R.W. Pages 80-101 (Chapter 9) in R.W. Stark and D.L. Dahlsten, Editors. Studies on the Population Dynamics of the Western Pine Beetle, Dendroctonus brevicomis Le Conte (Coleoptera: Scolytidae). University of California, Division of Agriculture Sciences, Berkeley, CA.
Available from: Pacific Forestry Centre
Catalog ID: 5284