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1 April 2002 Development and Survival of the Diamondback Moth (Lepidoptera: Plutellidae) at Constant and Alternating Temperatures
Shu-Sheng Liu, Fei-Zhou Chen, Myron P. Zalucki
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Abstract

Survival and development time from egg to adult emergence of the diamondback moth, Plutella xylostella (L.), were determined at 19 constant and 14 alternating temperature regimes from 4 to 40°C. Plutella xylostella developed successfully from egg to adult emergence at constant temperatures from 8 to 32°C. At temperatures from 4 to 6°C or from 34 to 40°C, partial or complete development of individual stages or instars was possible, with third and fourth instars having the widest temperature limits. The insect developed successfully from egg to adult emergence under alternating regimes including temperatures as low as 4°C or as high as 38°C. The degree-day model, the logistic equation, and the Wang model were used to describe the relationships between temperature and development rate at both constant and alternating temperatures. The degree-day model described the relationships well from 10 to 30°C. The logistic equation and the Wang model fit the data well at temperatures <32°C, but only the Wang model described the decline in development rate at temperatures >32°C. Under alternating regimes, all three models gave good simulations of development in the mid-temperature range, but only the logistic equation gave close simulations in the low temperature range, and none gave close or consistent simulations in the high temperature range. The distribution of development time was described satisfactorily by a Weibull function. These rate and time distribution functions provide tools for simulating population development of P. xylostella over a wide range of temperature conditions.

Shu-Sheng Liu, Fei-Zhou Chen, and Myron P. Zalucki "Development and Survival of the Diamondback Moth (Lepidoptera: Plutellidae) at Constant and Alternating Temperatures," Environmental Entomology 31(2), 221-231, (1 April 2002). https://doi.org/10.1603/0046-225X-31.2.221
Received: 23 April 2001; Accepted: 1 September 2001; Published: 1 April 2002
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