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1 December 2007 Predation of Bdellodes japonicus (Ehara) on four species of spider mites (Acari, Bdellidae & Tetranychidae)
Xia Chen, Yanxuan Zhang, Jie Ji, Jianzhen Lin
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Abstract

The predatory mite Bdellodes japonicus (Ehara) (Bdellidae) preyed on Tetranychus urticae Koch, Tetranychus truncatus Ehara, Amphitetranychus viennenis (Zacher) and Oligonychus biharensis (Hirst) (all Tetranychidae) in the laboratory. The number of spider mites consumed by Bdellodes japonicus decreased in the order of: Oligonychus biharensis > Amphitetranychus viennenis > Tetranychus urticae > Tetranychus truncatus at 25±1°C. Functional responses of Bdellodes japonicus (Ehara) to adult females of Tetranychus urticae approximated the Holling type II response. The model equations of the functional responses were Na=0.7720N0/ (1 0.0366N0) at 25±1°C and Na= 1.1243N0/(1 0.0807N0) at 30±1°C.

© 2007 Systematic & Applied Acarology Society
Xia Chen, Yanxuan Zhang, Jie Ji, and Jianzhen Lin "Predation of Bdellodes japonicus (Ehara) on four species of spider mites (Acari, Bdellidae & Tetranychidae)," Systematic and Applied Acarology 12(3), 195-198, (1 December 2007). https://doi.org/10.11158/saa.12.3.3
Accepted: 1 December 2007; Published: 1 December 2007
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