Abdalla A A, Zhang Z, Masters G J, McNeill S
CABI Bioscience, UK Centre, Silwood Park, SL5 7TA, Ascot, Berkshire, UK.
Exp Appl Acarol. 2001;25(10-11):833-47. doi: 10.1023/a:1020431531446.
Life history and reproductive parameters of the generalist predatory mite Euseius (Amblyseius) finlandicus (Oudemans) were studied in the laboratory at 25 +/- 1 degrees C, with a 16L:8D photoperiod and 60 +/- 15% RH, to investigate its response to different food sources: an eriophyid mite Aceria sp., tulip pollen Tulipa gesnerana L., and two-spotted spider mite Tetranychus urticae Koch. Total developmental time of the immature stages was the shortest on eriophyid mites, followed by pollen, and then spider mites. Fecundity was highest on pollen (43.69 eggs; 1.63 eggs/female/day), then eriophyid mites (39.73 eggs; 1.37 eggs/female/day) and lowest on spider mites (18.16 eggs; 0.80 eggs/female/day). Intrinsic rate of increase (Rm), net reproductive rate (Ro) and finite rate of increase (lambda) followed the same pattern [pollen (0.168, 27.96 and 1.183, respectively), eriophyid mites (0.153, 20.81 and 1.167), spider mites (0.110, 9.44 and 1.119)]. Mean generation time (days) was the shortest on pollen (19.90), followed by eriophyid mites (20.02), and then spider mites (20.59). Average spider mite larvae consumed by E. finlandicus during immature stages were 9.18 for males and 11.85 for females. Adult E. finlandicus females consumed an average of 166.38 spider mite protonymphs during adult stage compared to an average of 66.55 by males. The number of prey protonymphs consumed per day by females was highest in the oviposition period, lower in the pre-oviposition period and the lowest in the post-oviposition period. The eriophyid mite as a prey recorded the shortest developmental time, while pollen as food recorded the highest oviposition rate in E. finlandicus. The potential of this predator as a biocontrol agent against T. urticae is discussed.
在实验室中，于25±1℃、16小时光照：8小时黑暗的光周期以及60±15%相对湿度条件下，研究了多食性捕食螨芬兰真绥螨（Euseius (Amblyseius) finlandicus (Oudemans)）的生活史和繁殖参数，以探究其对不同食物来源的反应：一种瘿螨属（Aceria sp.）的瘿螨、郁金香（Tulipa gesnerana L.）花粉以及二斑叶螨（Tetranychus urticae Koch）。未成熟阶段的总发育时间在瘿螨上最短，其次是花粉，然后是叶螨。在花粉上的繁殖力最高（43.69粒卵；1.63粒卵/雌/天），其次是瘿螨（39.73粒卵；1.37粒卵/雌/天），在叶螨上最低（18.16粒卵；0.80粒卵/雌/天）。内禀增长率（Rm）、净繁殖率（Ro）和周限增长率（λ）遵循相同模式[花粉分别为（0.168、27.96和1.183），瘿螨为（0.153、20.81和1.167），叶螨为（0.110、9.44和1.119）]。平均世代时间（天）在花粉上最短（19.90），其次是瘿螨（20.02），然后是叶螨（20.59）。芬兰真绥螨未成熟阶段平均消耗的叶螨幼虫，雄性为9.18只，雌性为11.85只。成年芬兰真绥螨雌螨在成年阶段平均消耗166.38只叶螨若螨，而雄螨平均消耗66.55只。雌螨每天消耗的猎物若螨数量在产卵期最高，在产卵前期较低，在产卵后期最低。瘿螨作为猎物时发育时间最短，而花粉作为食物时芬兰真绥螨的产卵率最高。讨论了这种捕食者作为防治二斑叶螨的生物防治剂的潜力。
