Abstract
The northern pine weevil, Pissodes approximates, is a serious pest in Christmas tree plantations where harvesting of trees has occurred and where seedling trees have been planted. During the spring months the immature stages of the weevil develop in stumps from trees harvested during the previous November or December. When the adult weevils emerge during May and June they feed on seedling trees causing high mortality. Excellent control resulted from a carbofuran spray applied March 12, 1985 onto Scots pine boles in southern Illinois.
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