- Davis, J. M.
Beltsville Forest Insect Laboratory, USDA Forest Service
- Waters, W. E.
USDA Forest Service
- Isler, D. A.
Agricultural Engineering Research Branch, USDA
- Martineau, R.
Division of Forest Biology, Canadian Dept. of Agriculture, Quebec, Canada
- Marsh, J. W.
Maine Forest Service
Three atomizations were used in three dosage levels (fine, medium, coarse) against two stages of larval development of the spruce budworm. Methods used and conclusions are reported.