Insecticidal soaps are used to control soft-bodied pests such as aphids, thrips, scales (crawler stage only), whiteflies, leafhopper nymphs, and mites. Soaps are effective only against those insects that come into direct contact with sprays before they...
57 Ways to Protect Your Home Environment (and Yourself) - Page 65
by Richard Alan Weinzierl - 1996 - 310 pages
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