Lesser Cornstalk Borer 1 Response to Photoperiod and Temperature 2

Abstract
Larval and pupal development of the lesser cornstalk borer, Elasmopalpus lignosellus (Zeller), was studied under numerous photoperiod and temperature conditions: decreasing photoperiod and constant temperature; constant photoperiod and decreasing temperature; decreasing photoperiod and temperature simultaneously; and decreasing photoperiods and daily fluctuating temperatures. None of these environments induced a defined diapause, although development was significantly prolonged by cooler temperatures. Photoperiod apparently had no influence on development.

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