Abstract
This paper contains a brief review of some of the Russian literature with reference to the control of the migratory grasshoppers, Locusta migratoria Linn. and Calliptamus italicus Linn., by airplane dusting. Several arsenical dusts have been tried experimentally with varied results. Disodium acid arsenite and disodium acid arsenate dusts were used with striking success against hoppers when they were on the wing. This indicates that certain arsenicals can probably be used as contact insecticides.
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