Spruce Budworm in Maine: Biological Conditions in 1983 and Expected Infestation Condition for 1984
- Trial Jr., Henry
Entomology Division, Maine Forest Service Department of Conservation, Augusta, Maine - Devine, Michael E.
Entomology Division, Maine Forest Service Department of Conservation, Augusta, Maine - Connor, Jonathan Y.
Entomology Division, Maine Forest Service Department of Conservation, Augusta, Maine
This report is a presentation of data gathered by the Budworm Survey and Assessment Unit (BSAU) of the Maine Forest Service (MFS). The BSAU annually conducts surveys of egg mass deposit, host tree condition, and overwintering larval population (L-II). The budworm unit conducts insect studies of budworm damages stands and cooperates with others in the MFS Entomology Division on surveys of budworm damaged trees. Complete 1983 results of these annual surveys are contained in this report.
In addition to annual surveys, this Unit determines proper timing of spray projects and evaluates the results of operational treatments and various operational-scale tests of insecticides. Results of the 1983 operational evaluation are presented in this report and a summary of 1983 testing is provided.
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