摘要
腐食酪螨Tyrophagus putrescentiae(Schrank)是世界性分布的储藏物害螨,食性复杂,可以对农业生产及人类健康造成重大危害。当前国内外防治腐食酪螨主要以药剂熏蒸为主,生物防治的研究较为少见。本文在实验室条件下,研究了腐食酪螨天敌等钳蠊螨Blattisocius dentriticus(Berlese)对它的捕食作用。研究结果表明,等钳蠊螨对腐食酪螨各螨态的喜好程度顺序为:幼螨>卵>若螨>成螨;等钳蠊螨雌成螨对腐食酪螨卵的捕食功能反应属于HollingⅡ型,拟合方程为Na=1.0186×Nt1+1.0186×0.0102×Nt(R2=0.9989),最大日捕食量为97.9粒。本文的研究成果为开展等钳蠊螨的保护利用及对腐食酪螨的生物防治提供了理论依据。
The pest mite, Tyrophagus putrescentiae （Schrank）, is a global distributed grain -storage mite that has potential to cause severe damage to both agriculture production and human health. So far the main strategy to control this pest mite is chemical fumigation, biological control studies with natural enemy are rarely resported. Here, we investigated the prey ability of predator mite Blattisocius dentriticus （Berlese） on T. putrescentiae in laboratory. Results indicated that, there are signigicant differences in the preference of B. dentriticus to the different stage of T. putrescentiae, the order of preference is larva 〉 egg 〉 nymph 〉 adult. The functional response of predator B. dentriticus on T. putrescentiae eggs belong to Holling＇s type Ⅱ, the fitting formula is Na=1.0186×Nt/1＋1.0186×0.0102×Nt, and the maximum predation is 97.9 eggs pre day. Our results provide the basic theoretical support for the protection and utilization of B. dentriticus in the biological control of T. putrescentiae.
出处
《环境昆虫学报》
CSCD
北大核心
2014年第2期199-204,共6页
Journal of Environmental Entomology
关键词
等钳蠊螨
腐食酪螨
选择效应
功能反应
生物防治
Blattisocius dentriticus
Tyrophagus putrescentiae
selecting efficiency
functional response
biological control
