Word: malathion
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...effort to stem the tide of new cases, health authorities are now using more of other insecticides, such as Malathion and propoxur to kill DDT-resistant mosquitoes-but the insects are already showing signs of developing resistance to the newer chemicals. Thus the most practical response now to malaria's new challenge, says Dr. Robert Kaiser, of the Center for Disease Control in Atlanta, is a return to the pre-DDT approaches: draining mosquito-breeding areas and monitoring water supplies. In addition, several drugs can be used both to prevent and to treat human malarial infections. Says Kaiser...
...success prompted the introduction after World War II of a host of similar chlorine derivatives, including chlordane, heptachlor, aldrin, dieldrin, toxaphene and endrin. Wartime research on nerve gases also led to the development of a whole family of phosphorus-based insecticides, such as parathion, malathion and dimethoate, which, unlike DDT and other chlorine-based compounds, tended to break down more quickly into innocuous substances in the soil...
...Houston last week, helicopters swooped low over bayous to lay thick mists of insecticide, and fire engines raced from block to block to spray chemicals in vacant lots. Citizens lined up to receive free handouts of bug-killing Malathion, and even kids at play carried spray guns to squirt at anything that flew...
This week a dozen airplanes will start spraying 190,000 acres of the gold coast with malathion, a chemical that kills insects but is not deadly to humans, birds or animals. Jeeps with blowers will fog infested trees. The ground on infested property will be treated to kill the larvae as they enter the soil to pupate. Mop-up squads will catch straggling flies in traps baited with yeast...