Insect Defoliators of Missouri Trees: Web Producers

Many important species of caterpillars feed on the foliage of shade, ornamental and forest trees. In addition to their feeding damage, some of these defoliators also produce silken webbing, often covering the leaves and branches.

The link address is: http://muextension.missouri.edu/xplor/agguides/pests/g07271.htm