Abstract
The effect of soil acidity or alkalinity on the abundance of wireworms in Montana is studied. Laboratory experiments show that the larvae of Limonius canus can tolerate a much wider range of pH than is commonly found in nature in the agricultural lands of Montana. This is substantiated by field records. The range in pH to which the wireworms were subjected in the laboratory was 4.8 to 8.20. In nature the pH limits in fields studied was 6.1 to 7.7.
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