Influence of Temperature on Embryonic Development of the Pale Western Cutworm, Agrotis orthogonia Morr. (Lepidoptera: Phalaenidae)

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Abstract
This is a report on the influence of temperature on embryonic development of the pale western cutworm, Agrotis orthogonia Morr. Gross observations on embryonic progress were recorded.As cultures of this species are continuously needed for studies at the Lethbridge laboratory, information on conditions for adequate egg storage was required. The record of embryonic development was used to determine the most satisfactory stage at which eggs could be stored for future use.