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Effects of temperature and relative humidity on development,survivorship and food intake of Liriomyza sativae
Author(s): 
Pages: 332-336
Year: Issue:  3
Journal: ACTA ENTOMOLOGICA SINICA

Keyword:  美洲斑潜蝇温、湿度发育存活取食;
Abstract: 以花斑芸豆Phaseolus vulgaris为食料植物,在不同温、湿度组合下,观测了美洲斑潜蝇Lir-iomyza sativae的发育、存活及取食特征.结果表明,卵、幼虫和蛹期的发育速率与温度的关系均呈S型曲线.发育起点温度为:卵,8.9℃;幼虫,10.1℃;蛹,9.6℃;整个未成熟期,9.5℃.有效积温为:卵,57.7日@度;幼虫,53.9日@度;蛹,151.9日@度;整个未成熟期,264.2日@度.湿度对发育速率的影响不明显.温度对存活的影响较大,当温度>34℃或<19℃时,各虫态的存活率都显著降低.湿度对存活率的影响主要发生在蛹期,当湿度低于50%时,蛹的羽化率显著降低.在高温、低湿的条件下,蛹不能羽化.在相对低温下的累计取食面积大于高温时的相应值,在25℃时达到1.6 cm2,而在28℃及以上温度时取食面积只有0.9 cm2左右.
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