Lorio, P. 1996. Approaches to studying environmental effects on resistance of Pinus taeda L. to Dendroctonus frontalis Zimmerman. Pages 200-210 In W.J. Mattson, P. Niemelaand, and M. Rousi (eds.), Dynamics of forestry herbivory: quest for pattern and principle. United States Department of Agriculture, Forest Service, North Central Forest Experiment Station (St. Paul, MN), General Technical Report NC-183.