Richard R. Mason

• Detecting suboutbreak populations of the Douglas-fir tussock moth by sequential sampling of early larvae in the lower tree crown
• Forest-site relationships within an outbreak of lodgepole needle miner in central Oregon
• Sampling low density populations of the Douglas-fir tussock moth by frequency of occurrence in the lower tree crown
• Slavery in America
• A pilot experiment of forest fertilization during an outbreak of the western spruce budworm in northeastern Oregon
• Case history of population change in a Bacillus thuringiensis-treated vs. an untreated outbreak of the western spruce budworm
• Case history of population change in a Bacillus thuringiensis-treated vs. an untreated outbreak of the western spruce budworm
• Collapse of an outbreak population of the douglas-fir tussock moth, Hemerocampa pseudotsugata (Lepidoptera: Lymantriidae)
• Controlled field test of stabilized pyrethrins against the western hemlock looper
• Douglas-fir tussock moth handbook
• Forecasting outbreaks of the Douglas-fir tussock moth from lower crown cocoon samples
• How to predict population trends