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Extreme temperatures are thought to be one of the main factors suppressing natural population growth of the brown planthopper Nilaparvata lugens (Stål) (Hemiptera: Delphacidae). In contrast, sublethal doses of some pesticides (such as triazophos) stimulate reproduction of adult males and adult females of N. lugens. However, the combined effects of high or low temperature and sublethal doses of pesticides...
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