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1 June 2005 Laboratory population life table of Amphitetranychus viennensis (Zacher) (Acari: Tetranychidae) at different temperatures
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Abstract

Laboratory population life table parameters including net reproductive rate (R0), finite rate of increase (λ), doubling time for population (dt), intrinsic rate of natural increase (rm) and mean generation time (T) of Amphitetranychus viennensis (Zacher) were studied at five constant temperatures. The lowest λ (1.0584) and rm (0.0568) were observed at 15°C and the population could double in 12.2 days. The highest λ (1.3065) and rm (0.2673) were obtained at 35°C and the population could double in 2.6 days. The highest R0 (124.6083) and the lowest T (18.0483) were observed at 35°C. The highest mean number of eggs (157.40 eggs/female), with the highest daily oviposition rate (6.49 eggs/female/day), was observed at 35°C. The lowest daily oviposition rate (1.80 eggs/female/day) was observed at 15°C with a total of 99.30 eggs/female. The longevity (32.3±1.1 days) was the lowest at 35°C, and the highest longevity was 105.6±73.4 days at 15°C. The greatest daily oviposition was 17 eggs/female/day at 35°C.

© 2005 Systematic & Applied Acarology Society
Jie Ji, Yanxuan Zhang, Xia Chen, and Jianzhen Lin "Laboratory population life table of Amphitetranychus viennensis (Zacher) (Acari: Tetranychidae) at different temperatures," Systematic and Applied Acarology 10(1), 7-10, (1 June 2005). https://doi.org/10.11158/saa.10.1.3
Accepted: 1 June 2005; Published: 1 June 2005
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