Cold Storage Effects on Fitness of the Whitefly ParasitoidsEncarsia sophiaandEretmocerus hayati

文献类型： 外文期刊

第一作者： Kidane, Dawit

作者： Kidane, Dawit;Man, Xiao-Ming;Liu, Wan-Xue;Wan, Fang-Hao;Yang, Nian-Wan;Kidane, Dawit;Ferrante, Marco;Wan, Fang-Hao;Wan, Fang-Hao

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关键词： fluctuating temperature; parasitoid; Hymenoptera; Aphelinidae; Bemisia tabaci; Aleyrodidae

期刊名称：INSECTS （ 影响因子：2.769； 五年影响因子：3.046 ）

ISSN：

年卷期： 2020 年 11 卷 7 期

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收录情况： SCI

摘要： Successful biological control of the whiteflyBemisia tabaciinvolves the mass rearing of biocontrol agents in large numbers for field release. Cold storage of the biocontrol agents is often necessary to provide a sufficient number of biocontrol agents during an eventual pest outbreak. In this study, the fitness of two whitefly parasitoidsEncarsia sophiaGirault and Dodd (Hymenoptera: Aphelinidae) andEretmocerus hayatiZolnerowich and Rose (Hymenoptera: Aphelinidae) was evaluated under fluctuating cold storage temperatures. The emergence rate of old pupae of either species was not affected when stored at 12, 10, 8 and 6 degrees C for 1 week. Cold storage had no effect on the longevity of the emerging adultEn. sophiaexcept young pupae stored at 4 degrees C, whileEr. hayatiwas negatively affected after 2 weeks of storage time at all temperatures. Parasitism by adults emerging from older pupae stored at 12 degrees C for 1 week was equivalent to the control. Combined with the results for the emergence time, we suggest that the old pupal stage ofEn. sophiaandEr. hayaticould be stored at 12 and 10 degrees C, respectively (transferred every 22 h to 26 +/- 1 degrees C for 2 h), for 1 week, with no or little adverse effect.

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