- The Canadian Entomologist
The results of a split application of Sevin 4 Oil in Washington county, Maine. This document records the data from a 2084 ha block and the adjacent unsprayed areas in Washington county, Maine. All areas had no previous spray history and forest cover was predominately red spruce and balsam fir with scattered eastern hemlock and eastern white pine and several hardwood species. Two applications of Sevin 4 Oil were made and the effects on polinators and fruit were recorded.