胚胎发育是昆虫发育的两大阶段之一。研究胚胎发育对以卵态越冬或卵期较长的昆虫,在发生期予测中应用特别有意义。本文将油桐尺蠖胚胎发育分为五级,并观察了在三种不同温度条件下的发育进度。 Embryo development is one of the two stages of insect development. It is of particular interest to study the effect of embryo development on insects that are overwintering or having a longer egg life in the ovum. In this paper, the tilapia embryo development is divided into five levels, and observed the development of three different temperature conditions.