黄褐天幕毛虫生物学特性与防治  

Bionomics of Malacosoma neustria testacea and its control

作　　者：刘岩 张立志 周素娟 

机构地区：[1]大兴安岭森林病虫害防治检疫总站,黑龙江加格达奇165000

出　　处：《辽宁林业科技》2004年第5期7-9,21,共4页Liaoning Forestry Science and Technology

摘　　要：黄褐天幕毛虫是阔叶树主要食叶害虫,在大兴安岭林区1年发生1代,以胚胎发育后的幼虫在卵壳中越冬。翌年4月末孵化,5月上旬达到孵化高峰,6月中旬化蛹,蛹期7～12d,6月末出现成虫,7月中旬达到羽化高峰,7月下旬达到产卵高峰。5～6月中旬,用阿维菌素超低量喷雾,2.5%敌杀死乳油1500倍液,防治效果在95%以上,25%灭幼脲悬浮剂450～600g/hm2,防治效果在90%左右,用25%苏特灵400～800倍液,防治效果72%左右。Malacosoma neustria testacea is a main kind of eating-leaf pest for broadleaf. In Da-xing-an-ling forest region, it occurs one generation a year and overwinters as larva developed from embryo in eggshell.The larva begins to hatch by the end of April the next year and the most hatches take place in the first 10 days of May.It pupates in the middle 10 days of June.The adult emerges in late June and lays eggs in early July.The mortality of Malacosoma neustria testacea reached 95%, 90% and 72% respectively after spraying super-low concentration abametin with the dosage of 1 500 times or 25% chlorbenzuron with the dosage of 450～600 g/hm^2 or 25% Suteling (Bt) at the dosage of 400～800 times during the period of May and middle June.

关 键 词：黄褐天幕毛虫 生物学特性 食叶量 

分 类 号：S763.420[农业科学—森林保护学]