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菜豆象 Acanthoscelides obtectus Say 是我国的对外植物检疫对象。本文测定了该虫4个虫态的最高致死温度。结果表明,卵经50℃40分钟或55℃30分钟、幼虫经55℃60分钟、蛹经55℃90分钟、成虫经55℃40分钟处理100%死亡。耐高温能力从弱到强依次为卵、成虫、幼虫和蛹。
Acanthoscelides obtectus Say is the foreign phytosanitary object of our country. In this paper, the maximum lethal temperature of the four insect states was determined. The results showed that the adult larvae die at 55 ° C for 60 minutes and the adult larvae at 55 ° C for 40 minutes and 100% death at 55 ° C for 40 minutes. High temperature ability from weak to strong followed by eggs, adults, larvae and pupae.