Richard R. Mason

Sampling low density populations of the Douglas-fir tussock moth by frequency of occurrence in the lower tree crown

Slavery in America

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

Case history of population change in a Bacillus thuringiensis-treated vs. an untreated outbreak of the western spruce budworm

Recurrent outbreak of the Douglas-fir tussock moth in the Malheur National Forest

Sampling Western Spruce Budworm larvae by frequency of occurrence on lower crown branches

How to predict population trends

A pilot experiment of forest fertilization during an outbreak of the western spruce budworm in northeastern Oregon

Collapse of an outbreak population of the douglas-fir tussock moth, Hemerocampa pseudotsugata (Lepidoptera: Lymantriidae)

Douglas-fir tussock moth handbook

Controlled field test of stabilized pyrethrins against the western hemlock looper

Monitoring larval populations of the Douglas-fir tussock moth and the western spruce budworm on permanent plots

Sampling Western Spruce Budworm larvae by counting larvae on lower crown branches

Forecasting outbreaks of the Douglas-fir tussock moth from lower crown cocoon samples

Sequential sampling of Douglas-fir tussock moth populations