结果表明，哒螨灵亚致死剂量对当代巴氏钝绥螨的产卵量和成螨寿命无显著影响；
The results revealed that there were no significant difference in the life span and the fecundity per female between the treated population and the control.
束管食螨瓢虫对猎物的捕食率与猎物密度相关或成逆密度相关，这种现象可能是由聚集强度和干扰强度所引起的。
Density dependent, density independent and inversely density dependent predatism were mainiy caused by matual interference and aggregation among the predators.
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