Photoperiod and Temperature Effects on the Occurrence and Periodicity of Mating in Pickleworm Moths (Lepidoptera: Pyralidae)
Abstract
Laboratory and field cage studies showed that mating of pickleworm moths began at the onset of scotophase, peaked toward the middle, and declined toward the end of the interval. When the temperature was favorable, over 90% of the matings occurred during the first 3 days after emergence. Either a L:D photoperiod or cyclic thermoperiod synchronized the periodicity of mating. At constant light and temperature, mating was asynchronous. Mating had a temperature threshold of ca. 16@*C.Downloads
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