摘要
榆凤蛾ＥｐｉｃｏｐｅｉａｍｅｎｃｉａＭｏｏｒｅ幼虫为害榆树。山西省于１９８９年首次发现。在晋城市泽州、高平等地一年发生１代。以蛹在地表下１５～３０ｍｍ处越冬。蛹期自９月至次年６月，可长达１０个月。蛹７月上旬开始羽化，７月中旬为羽化盛期。幼虫共５龄，危害期达４０天。以５龄幼虫危害最大，其食叶量占整个幼虫期食叶量的８８．３３％。防治措施为保护天敌、人工捕杀老熟幼虫和蛹、喷施敌敌畏或１６０５等农药。
The larva of Epicopeia mencia harms elm trees.In Shanxi it was first found in 1989.In Zezhou and Gaoping of Jincheng,E.mencia has one generation a year and overwinters as pupa under 15～30mm of the earth surface.The pupal stage lasts ten months from September to June of the next year.The pupa begins to emerge in the first tendays of July and mostly in the middle tendays of July.The larva has 5 instars,and harms for 40 days.It causes the most serious damage in the 5 th stadium.The leaf—eating amount in the period is 88.33% of all.The control measures include protection of its natural enemy,capture of the mature larva and pupa and spraying of DDVP or other pesticide like 1605.
出处
《森林病虫通讯》
北大核心
1998年第2期38-39,共2页
Forest Pest and Disease
关键词
榆凤蛾
生物学特性
防治
Epicopeia mencia, bionomics, control
