Multi-Generation Life Tables of Bemisia tabaci (Gennadius) Biotype B (Hemiptera: Aleyrodidae) Under High-Temperature Stress
文献类型: 外文期刊
第一作者: Guo, Jian-Ying
作者: Guo, Jian-Ying;Cong, Lin;Zhou, Zhong-Shi;Wan, Fang-Hao
作者机构:
关键词: Bemisia tabaci biotype B;life table;high-temperature stress;long-term fitness effects
期刊名称:ENVIRONMENTAL ENTOMOLOGY ( 影响因子:2.377; 五年影响因子:2.298 )
ISSN: 0046-225X
年卷期: 2012 年 41 卷 6 期
页码:
收录情况: SCI
摘要: 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 degrees C and for one generation at 37 degrees C. At 37 degrees C, the intrinsic rate of increase (r) and the net reproductive rate (R-0) 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 degrees C. At 27 degrees C, neither R-0 nor r decreased over the generations studied. However, both of these values decreased over time at 31 and 35 degrees C, and the decrease was more evident at 35 degrees 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.
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