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28 August 2021 Mass Production of Neoseiulus cucumeris (Acari: Phytoseiidae): An Assessment of 50 Generations Reared on Almond Pollen
Shima Yazdanpanah, Yaghoub Fathipour, Elham Riahi, Myron P. Zalucki
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Neoseiulus cucumeris (Oudemans) (Acari: Phytoseiidae), an economically important biocontrol agent, was reared on almond pollen for 50 generations. We evaluated the effect of rearing predators on this pollen by comparing biological parameters at different generations (G1–G50). The shortest and longest development time occurred in G5 and G10, respectively. Females at the fifth and 50th generations laid eggs earlier than those of other generations. Females at G50 laid eggs over a longer period and produced more eggs than females of other generations, although females in the earlier generations had a higher gross reproductive rate and net reproductive rate than later generations. The intrinsic rate of increase, as well as the finite rate of increase of N. cucumeris in the fifth and 50th generations was significantly greater than those in other generations, while the first generation had the lowest values of these parameters. The dorsal shield length of both females and males and the width of females were found to be unaffected by their constant feeding on almond pollen. However, the number of rearing generations significantly affected the width of males. Long-term rearing of N. cucumeris for at least 50 generation on almond pollen did not substantially affect the predator's quality and this food source could be used for the mass production of this predator. Almond pollen should be assessed in rearing other phytoseiid mites that are important in biocontrol strategies.

© The Author(s) 2021. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail:
Shima Yazdanpanah, Yaghoub Fathipour, Elham Riahi, and Myron P. Zalucki "Mass Production of Neoseiulus cucumeris (Acari: Phytoseiidae): An Assessment of 50 Generations Reared on Almond Pollen," Journal of Economic Entomology 114(6), 2255-2263, (28 August 2021).
Received: 21 March 2021; Accepted: 2 August 2021; Published: 28 August 2021

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