Abstract：The development of Spodoptera exigua (beta armyworm) larvae has to go through 5 instars. They keep together to damage hosts until 3rd instar，then disperse and the 4th and 5th instar larvae make the most damage. The occurring peak of S.exigua is in August and September，feeding on many kinds of plants but mainly on vegetables and bean. Spraying 32%“Decisdan” and“Cascade” can get efficient control of the pest.
收稿日期: 2000-08-08
引用本文:
陈文辉;林抗美;刘波;. 甜菜夜蛾的发生规律与防治[J]. 中国蔬菜, 2001, 1(1): 17-18.
Chen Wenhui;Lin Kangmei;Liu Bo. Occurrence and Control of Spodoptera exigua. , 2001, 1(1): 17-18.
