Feeding, development and reproduction of Amblyseius barkeri (Acarina, Phytoseiidae) on various kinds of food substances
1995 - Volume: 36 Issue: 2 pages: 101-105
KeywordsAmblyseius barkeri Tetranychus urticae Eriophyes dioscoridis
The predacious mite, Amblyseius barkeri (Hugues) completed its life cycle when fed on the tetranychid mite Tetranychus urticae Koch and the eriophyid mite, Eriophyes dioscoridis Soliman and Abou-Awad in the laboratory. The development was not completed when the phytoseiid mite fed on pollen grains of Ricinus communis (L.) and Phoenix dactylifera (L.) as an alternative food substance. The duration of the immature stages and adult stage were determined. The adult female daily consumed 17 and 102 individuals of T. urticae and E. dioscoridis respectively. The daily reproduction was 1.3 eggs per day when fed on eriophyid mites, while the number of eggs deposited increased (1.9 eggs/female/day) when fed on tetranychid mites.
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