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30 June 2013 A comparison between Amblyseius (Typhlodromips) swirskii and Amblyseius eharai with Panonychus citri (Acari: Tetranychidae) as prey: developmental duration, life table and predation
Jie Ji, Tao Lin, Yanxuan Zhang, Jianzhen Lin, Li Sun, Xia Chen
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Abstract

In this study, the developmental duration and life table of Amblyseius (Typhlodromips) swirskii and Amblyseius eharai with the prey Panonychus citri were studied at 25±1°C. The results showed that the developmental duration of the larval stage and a whole generation of A. swirskii were significantly shorter than those of A. eharai, but no significant differences in developmental duration were observed in other stages. In addition, the larva of A. swirskii could develop into a protonymph without any prey, but prey was necessary for larval development of A. eharai. The fecundity of the adult female of A. eharai was significantly higher than that of A. swirskii. The net reproductive rate (Ro), intrinsic rate of increase (rm) and the finite rate of increase (λ) of A. eharai were higher than those of A. swirskii. The results indicated that A. eharai might be a better competitor compared with A. swirskii according to the parameters of life table.

© 2013 Systematic & Applied Acarology Society
Jie Ji, Tao Lin, Yanxuan Zhang, Jianzhen Lin, Li Sun, and Xia Chen "A comparison between Amblyseius (Typhlodromips) swirskii and Amblyseius eharai with Panonychus citri (Acari: Tetranychidae) as prey: developmental duration, life table and predation," Systematic and Applied Acarology 18(2), 123-129, (30 June 2013). https://doi.org/10.11158/saa.18.2.4
Accepted: 1 May 2013; Published: 30 June 2013
KEYWORDS
Amblyseius (Typhlodromips) swirskii
Amblyseius eharai
Invasion risk
Panonychus citri
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