麦蛾的求偶行为与区分等级的方法

求偶行为是麦蛾的本能，主要由自身生理状态决定，雌蛾全是自发行为，雄蛾多是对异性信息刺激的反应。两性求偶行为都有固定发生程序，有明显的阶段性。本文按其阶段程序特点把两性求偶行为各分为3等9级。非求偶行为概作0等0级。等级数值大小反映了性兴奋强度，统计分析级别数值，就能确定个体或蛾群求偶行为的动态。

Methods on distinquish gradation and courtship behavior of Sitotroga cerealetlo (Olivier)

Courtship behaviour of female moth is its instinct, depending upon its own physiological state; male mothes are usually responded to the sex pheromone relaasesd by calling female moth. Fixed sequence of mating behaviour in both sexes of mothes is divided into 3 levels of preceding,basic and typical positions with 3 gradations in each level. According to the standard, each moth (male and female) can get a datum to indicate the intensity of sexual exciting.