N. D. Wygant

Ethylene Dibromide for Control of Black Hills Beetle

C. L. Massey, R. D. Chisholm, N. D. Wygant, 1952 .

Spruce Beetle Mortality in Cacodylic Acid-Treated Engelmann Spruce Trap Trees

R. Frye, N. D. Wygant, 1971 .

An Infestation of the Pandora Moth, Coloradia pandora Blake, in Lodgepole Pine in Colorado

N. D. Wygant, 1941 .

Biology and Control of the Engelmann Spruce Beetle in Colorado

C. L. Massey, N. D. Wygant, 1954 .

APPARENT RESPONSE OF PICOIDES WOODPECKERS TO OUTBREAKS OF THE PINE BARK BEETLE

N. D. Wygant, A. Crockett, Picoides Woodpeckers, 2006 .