Adaptive difference in daily timing of hatch in two locust species, Schistocerca gregaria and Locusta migratoria: the effects of thermocycles and phase polyphenism.

Abstract excerpt

This study examined the effects of temperature and phase polyphenism on egg hatching time in the desert locust, Schistocerca gregaria, and the migratory locust, Locusta migratoria. The two species exhibited differences and similarities in hatching behavior when exposed to different temperature conditions. In 12-h thermocycles of various temperatures, the S. gregaria eggs hatched during the cryoperiod (low...

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