Insecticidal Tests of Plants from Tropical America

Abstract
78 spp. of plants used as fish poisons, insecticides or drugs in Venezuela, Colombia, the Guianas and Puerto Rico were grown in Puerto Rico and their parts tested for insecticidal value. All parts of Mammea americana, Cnidoscolus urens, Gliricidia sepium, Hura crepitans and Piscidia piscipula were toxic to 15 spp. of insects used. 30 other spp. were toxic to some degree.

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