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cydnodromella negevi

International Journal of Tropical Insect Science (1)

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Life history of the predatory mite, Cydnodromella negevi and the effect of nutrition on its biology (Acari: Phytoseiidae)
B. A. Abou-Awad, A. K. Nasr, E. A. Gomaa, M. M. Abou-Elela
Journal:

Insect Science and Its Application / Volume 10 / Issue 5 / October 1989

Published online by Cambridge University Press:

19 September 2011, pp. 617-623

Print publication:

October 1989
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The predacious mite, Cydnodromella negevi (Swirski & Amitai) completed life cycle when fed on the tetranychid mites Eutetranychus orientalis (Klein), Tetranychus urticae Koch and pollen grains of Ricinus communis (L.) as an alternative food substance in the laboratory. The duration of the immature stages and adult stage were determined. Immature stages of C. negevi consumed in total an average of 27 E. orientalis and 34 T. urticae, whereas each day throughout her life, the adult female consumed an average of 11 of E. orientalis and T. urticae. While feeding on these prey, C. negevi laid 1.3 and 1.0 eggs per day. The number of eggs deposited per day increased (3.3 eggs/female/day) when fed on eriophyid mites. Females neither fed nor reproduced on liquid nutrients.