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Treehoppers lay eggs under the bark of twigs. The insect itself is not seen but the white, sticky froth covering the eggs is quite noticeable. The insect is seldom serious. Use 10 tablespoons of mineral oil in a gallon of water as a dormant spray. Apply when the temperatures are between 35 and 85 degrees.

Scale insects can usually be controlled with dormant sprays. To control crawlers use Sevin or malathion according to label directions once the scale has been identified.

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Treehopper injury on redbud - 46K
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