Greenbug infestations in the State of South Dakota are unusual and have generally been broken by the interaction of natural factors such as predators, parasites, and weather. In the 1949 outbreak, the greenbug was seldom if ever the sole cause of damage in infested fields and in most cases spraying would not have been paid for by the remaining crop. The chemicals available for control are exceedingly dangerous to man and livestock, and their use should not be encouraged except where a clear and definite need has been shown to exist.
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South Dakota State College
© South Dakota State University
Rogoff, Wm. M., "Greenbug Control" (1950). Agricultural Experiment Station Entomology Pamphlets (1940-1952). 13.