Michael A. Marsden

• Efficacy of Bacillus thuringiensis on western spruce budworm relative to deposit density and foliar development
• Modeling seasonal abundance of Douglas-fir beetle in relation to entomophagous insects and location in trees
• Status of western spruce budworm populations following the 1979 Cascade, Idaho control project
• User's guide to the Douglas-fir beetle impact model
• Sensitivity analyses of the western root disease model to user-specified starting parameters
• Sensitivity of the western root disease model
• Simulation of management options for stands of southwestern ponderosa pine attacked by Armillaria root disease and dwarf mistletoe