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Evaluation of larch casebearer parasites on the Flathead National Forest, Montana, 1985 Public Deposited
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An evaluation during the summer of 1985 showed that parasites were still exerting control on the larch casebearer on the Flathead NF. Parasitism ranged from 4 to 60 percent and averaged 25.2 percent in the 12 areas surveyed. Four species of parasites were involved. The most abundant was Agathis pumila (Ratzeburg), an exotic wasp that was established within the Flathead NF from 1967 to 1969.
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