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May 5, 1945


JAMA. 1945;128(1):30. doi:10.1001/jama.1945.02860180032010

Shortly after our entry into the war, the need for means of control for a great majority of the medically important insects became imperative. The worldwide distribution of our troops and the crowding of civilian workers at home, together with the shortage of pyrethrum and rotenone, were aggravating factors. On the recommendation of the Committee on Medical Research, the Bureau of Entomology and Plant Quarantine initiated at Orlando, Florida, a series of experiments for the development of control methods to be used by the armed forces.

Three separate projects were organized: (1) body louse control, (2) repellents for mosquitoes and other flying and biting insects and for such parasites as mites, ticks and fleas, and (3) larvicides for the treatment of breeding places of Anopheles mosquitoes. On the basis of their early studies the Orlando investigators recommended a formula for the control of the body louse, the head louse and