Pecan IPM Toolbox
Insect Monitoring and Control
Pecan Nut Casebearer Control
Extend Spray Residual
After hatching, larvae feed on developing buds and shoots for 2 to 3 days before entering nuts. Apply an insecticide to obtain coverage by the third day after the first eggs hatch.
By this method of timing, you will use the full residual activity of your insecticide treatment. Since the casebearer may hatch over a 1 - 2 week period, residual activity is very important. Further, the casebearer may be delayed by cool weather by as much as 2 weeks, so growers should not spray until definite signs indicate the casebearer has arrived.
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