Word: borer
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Dates: during 1950-1959
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...boring arms bite into the coal, cut it into small pieces and carry it by conveyor belt to a waiting cart. Joy, with 300 older continuous miners in operation, says its new giant will carve out twice as much coal as the older models. Even before the new "Twin Borer" could be wheeled onto the floor, an Indiana producer snapped...
Last week the department announced that one of the worst crop-eating insects, the European corn borer, has neared the end of its reign of terror in U.S. cornfields. Its conqueror: a fly named Lydella stabulans grisescens, which is mainly responsible for reducing the losses from corn borers from $353 million in 1949 to $85 million in 1950. This year, the department predicts, the losses will be even lower...
Lydella does no harm to crops and attacks no insect except the corn borer. The females tenderly place their infant maggots at the entrances of the corn borers' tunnels. Then the maggots, guided by the peculiar genius of their kind, crawl into the tunnels, find the borers and destroy them by devouring their innards...