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In the following alphabetical list of plants all the defoliating larvalforms of insects are classed as caterpillars for the sake of brevity, and because they are all treated in the same way when spraying is re-sorted to; namely, by a poison or a contact insecticide. Alder (powdery mildew, borers, leaf roller, caterpillars, maple scale). Apple (canker, aphids, caterpillars, scales, and bark louse). Arborvitae (bagworm). Ash (trunk rot, canker, leaf spot, borer, caterpillars, and scales). Aster (wilt and blister beetle). Azalea (leaf spot and caterpillar). Barberry (rust, plant louse, and caterpillar). Bayberry (caterpillar). |
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