【摘要】 1992～ 1993年 ,通过室内、外人工饲养 ,明确了水稻二化螟 (ChiloSuppressalisWalker)在辽宁省单季稻地区不同温度下各虫态的历期及发育速度、有效积温和发育起点温度。一代卵的有效积温和发育起点温度分别为 88.8± 3.6日度和 11.6± 1.9℃ ;一代幼虫的有效积温和发育起点温度分别为 490 .0日度和 12 .9±3.3℃ ;一代蛹分别为 96 .9± 1.3日度和 12 .7℃。更多还原

【Abstract】 Indoor and outdoor raising striped rice borer conducted form 1992 through 1993,clarified the development duration,development velocity,effective accumulated temperature and developmental zero of each stage of striped rice borer in different temperature in single harvest paddy field region of Liaoning.The effective accumulated temperature and the developmental zero of the first generation egg are 88.8± 3.6 day degrees and 11.6℃,respectively,The ones of the first generation larvae are 499.0 day degrees and 12.9±3.36℃;the ones of the first generation pupa are 96.9±1.3 day degrees and 12.7℃.更多还原