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Spruce (leaf spot, red spider, bug worm, caterpillars, and weevil). Sumac (canker, scale, and caterpillars). Sweet Gum (bagworm and other caterpillars). Sycamore (anthracnose, powdery mildew, leaf folders, caterpillars, and scales). Thorn (caterpillars, scales, plant lice, aphids, and leaf beetle). Tree of Heaven (rose scale). Tulip Tree (scale and caterpillars). Verbena (mildew). Veronica (leaf diseases). Viburnum (see Snowball Bush). Violet (nematodes and leaf spot). Virginia Creeper (leaf spot, caterpillars, and scales). Walnut (anthracnose, mildew, canker worms, caterpillars, and scales). Willow (caterpillars, leaf beetles, borers, and bark louse). |
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