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1 December 2012 Multi-Generation Life Tables of Bemisia tabaci (Gennadius) Biotype B (Hemiptera: Aleyrodidae) Under High-Temperature Stress
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Abstract
Much attention has been focused on insects' ability to survive long-term high-temperature stress and on their resulting population distributions under global warming. In this study, life tables of the whitefly, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) biotype B, were collected over five consecutive generations at 27, 31, and 35°C and for one generation at 37°C. At 37°C, the intrinsic rate of increase (r) and the net reproductive rate (R0) of the whitefly were 0.0383 d-1 and 2.8 offspring, respectively. These results demonstrate that the lethal high temperature for B. tabaci is >37°C. At 27°C, neither R0 nor r decreased over the generations studied. However, both of these values decreased over time at 31 and 35°C, and the decrease was more evident at 35°C. Our results on the ability of B. tabaci biotype B to survive long-term high-temperature stress are important for understanding its population distribution under global warming.
© 2012 Entomological Society of America
Jian-Ying Guo, Lin Cong, Zhong-Shi Zhou and Fang-Hao Wan "Multi-Generation Life Tables of Bemisia tabaci (Gennadius) Biotype B (Hemiptera: Aleyrodidae) Under High-Temperature Stress," Environmental Entomology 41(6), (1 December 2012). https://doi.org/10.1603/EN12108
Received: 14 April 2012; Accepted: 1 September 2012; Published: 1 December 2012
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