---

期 刊 ：植物保护学报 1999年

关键词：甜菜夜蛾；种群；温度；

Keywords:Spodoptera exigua, population, temperature,

摘 要 ：报道了不同温度下甜菜夜蛾卵、幼虫和蛹的发育历期、发育速率、发育起点温度及有效积温。该虫卵孵化率、幼虫存活率、蛹羽化率和种群趋势指数与温度变化的回归关系分别为：ＳＥ＝－７６．７７＋１２．４８８８Ｘ－０．２４６５Ｘ＾２；ＳＬ＝－９９．１０３７＋１４．５４３８Ｘ－０．２７９Ｘ＾２；ＳＰ＝２９．８０２２＋９．２５６Ｘ－０．１７５６Ｘ＾２和Ｉ＝１１４４．９５７＋１０１．０１３Ｘ－１．９７１６Ｘ＾２。在２４－

Abstract:The days and rates of development, developmental zeros and effective constants of temperature in egg, larval and pupal stages and pre-oviposition period of experimental beet armyworm (Spodoptera exigua (Hiibner)) population were tested. The regression equ

---