Abstract:In recent years, the beet armyworm, Spodoptera exigua (Hübner), has risen to the status of an economically important pest of many kinds of crops in China, and causes great damage. Based on the research of ourselves and many other research groups, the beet armyworm has been proved to be a strong migrant, but the underlying physiology of its migration is not known. In order to ascertain the energy utilization processes, and understand the physiological mechanisms controlling the onset of migratory behavior, t...