Rate of Development of Platynota idaeusalis1 at Constant Temperatures2

Abstract
The relationship between the rate of larval and pupal development and constant temperatures for the tufted apple budmoth, Platynota idaeusalis (Walker), is discussed. A logistic equation was used to model this relationship. No statistical difference was found between male and female developmental rates. The maximum rate of development was estimated to be ca. 4% per day at ca. 32.2°C, while the highest rate of survival occurred at 26.7°C.

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