油菜蚤跳生物学特性研究

STUDY ON THE BIONOMICS OF THE RAPE FLEA BEETLE,PSYLLIODES PUNCTIFRONS BALY

通过室内饲养和田间调查，较系统地研究了油菜蚤跳的生活史，各虫态发育历期，成、幼虫习性及发生与油菜播期、种植方式、油菜品种、类型、土壤质地等条件的关系。首次报道了油菜蚤跳成虫秋季交配产卵习性及在室内部分孵化现象。

This paper deals systematically with the life history,development stages,habits and characteris-tics of the rape flea beetle,Psylliodes punctifrons Baly and the relationships between its population densi-ty and time Of sowing, ways of cultivation,types and varieties of rape, and soil characters.It is re-ported for the first time that the rape flea beetels mate and oviposit in both spring and autumn and pass the winter as egg,larva as well as adult.It is considered important that t the control measures be taken in autumn.