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Demography and Mass Rearing of Amblyseius swirskii (Acari: Phytoseiidae) Fed on Two Species of Stored-Product Mites and Their Mixture
Journal of Economic Entomology ( IF 2.2 ) Pub Date : 2020-09-26 , DOI: 10.1093/jee/toaa187
Faeze Asgari, Hamid Reza Sarraf Moayeri, Aurang Kavousi, Annie Enkegaard, Hsin Chi

Amblyseius swirskii (Athias-Henriot) is one of the most important biological control agents and has been used in many countries. In this study, the suitability of Carpoglyphus lactis L. (Acari: Carpoglyphidae), Tyrophagus putrescentiae (Schrank), and their mixture for rearing A. swirskii was evaluated by using the two-sex life table. When reared on C. lactis, the durations of egg, deutonymph, total preadult, total preoviposition period, and adult male longevity of A. swirskii (1.95, 1.17, 6.13, 6.30, and 10.09 d, respectively) were significantly shorter than those reared on the mixed prey (2.05, 1.45, 6.55, 6.64, and 15.56 d, respectively). When reared on the mixed prey, however, the fecundity (110.21 eggs/female) of A. swirskii was significantly higher in comparison with those solely reared on C. lactis (82.17 eggs/female) or on T. putrescentiae (98.23 eggs/female). When reared on the mixed diet, the intrinsic rate of increase (r = 0.3792 d-1), finite rate of population increase (λ = 1.4611 d-1), and net reproductive rate (R0 = 79.69 offspring) of A. swirskii were significantly higher than those on single-species diets. For a daily production of 10,000 eggs of A. swirskii, a smaller population size (2,626 individuals) of A. swirskii is needed when reared on the mixed diet, in contrast to the 4,332 individuals on C. lactis and 3,778 individuals on T. putrescentiae. The population projection and mass-rearing analysis based on life table showed that the mixed diet was the most suitable and economical diet for the mass-rearing of A. swirskii.

中文翻译:

以两种贮藏螨类及其混合物为食的 Amblyseius swirskii(Acari:Phytoseiidae)的人口统计学和大规模饲养

Amblyseius swirskii (Athias-Henriot) 是最重要的生物防治剂之一,已在许多国家使用。在本研究中,使用两性生命表评估了 Carpoglyphus lactis L.(Acari:Carpoglyphidae)、Tyrophagus putrescentiae(Schrank)及其混合物对饲养 A. swirskii 的适宜性。当饲养在 C. lactis 上时,A. swirskii 的卵持续时间、半成虫、总前成体、总产卵期和成年雄性寿命(分别为 1.95、1.17、6.13、6.30 和 10.09 天)显着短于饲养的那些在混合猎物上(分别为 2.05、1.45、6.55、6.64 和 15.56 天)。然而,当饲养在混合猎物上时,A. swirskii 的繁殖力(110.21 个卵/雌性)明显高于单独饲养在 C. lactis(82.17 个卵/雌性)或 T. 的繁殖力。腐烂菌(98.23 个卵/雌性)。在混合日粮饲养时,A. swirskii 的内在增长率(r = 0.3792 d-1)、有限种群增长率(λ = 1.4611 d-1)和净繁殖率(R0 = 79.69 个后代)分别为明显高于单一品种饮食。为了每天生产 10,000 个 A. swirskii 卵,在混合饮食饲养时需要较小的 A. swirskii 种群(2,626 只),而在 C. lactis 上需要 4,332 只个体,在 T. putrescentiae 上需要 3,778 只个体. 基于生命表的种群预测和大量饲养分析表明,混合饲料是最适合大量饲养A. swirskii的饲料。A. swirskii 的有限种群增长率(λ = 1.4611 d-1)和净繁殖率(R0 = 79.69 个后代)显着高于单一物种饮食。为了每天生产 10,000 个 A. swirskii 卵,在混合饮食饲养时需要较小的 A. swirskii 种群(2,626 只),而在 C. lactis 上需要 4,332 只个体,在 T. putrescentiae 上需要 3,778 只个体. 基于生命表的种群预测和大量饲养分析表明,混合饲料是最适合大量饲养A. swirskii的饲料。A. swirskii 的有限种群增长率(λ = 1.4611 d-1)和净繁殖率(R0 = 79.69 个后代)显着高于单一物种饮食。为了每天生产 10,000 个 A. swirskii 卵,在混合饮食饲养时需要较小的 A. swirskii 种群(2,626 只),而在 C. lactis 上需要 4,332 只个体,在 T. putrescentiae 上需要 3,778 只个体. 基于生命表的种群预测和大量饲养分析表明,混合饲料是最适合大量饲养A. swirskii的饲料。在混合饮食中饲养时需要 swirskii,而在 C. lactis 上有 4,332 只个体,在 T. putrescentiae 上有 3,778 只个体。基于生命表的种群预测和大量饲养分析表明,混合饲料是最适合大量饲养A. swirskii的饲料。在混合饮食中饲养时需要 swirskii,而在 C. lactis 上有 4,332 只个体,在 T. putrescentiae 上有 3,778 只个体。基于生命表的种群预测和大量饲养分析表明,混合饲料是最适合大量饲养A. swirskii的饲料。
更新日期:2020-09-26
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