Author： HALGREN LEE A.
Publisher： Entomological Society of America
ISSN： 1938-2901
Source： Annals of the Entomological Society of America, Vol.63, Iss.4, 1970-07, pp. : 938-942
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Abstract
Schizaphis graminum (Rondani) had a wingbeat frequency of 62 beats per second and maximum flight speed of about 1.5 mph. The flight duration of the greenbugs ranged from 19 seconds to 125 minutes. Flight duration was greatest in the range of 20–35°C and at light intensity of 720 foot-candles. Aphids in flight stopped flying when the temperature was lowered to between 17.5 and 12.0°C or raised to between 37.5 and 44.0°C. Aphids stopped flying also when light intensity was decreased to less than 18 ft-c. Flight duration was increased when the percent of ultraviolet light was increased.
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