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当前位置: 首页 > 文章 > 栎黄枯叶蛾对沙棘林的危害及生物学特性 植物保护 2013,39 (2) 147-151+169
Position: Home > Articles > Damage of Trabala vishnou gigantina(Lepidoptera:Lasiocampidae) to the sea-buckthorn forest and its biological characteristic Plant Protection 2013,39 (2) 147-151+169

栎黄枯叶蛾对沙棘林的危害及生物学特性

作  者：
刘永华;章一巧;阎雄飞;宗德禄;宗世祥;骆有庆
单  位：
北京林业大学省部共建森林培育与森林保护教育部重点实验室;榆林学院生命科学学院;陕西吴起县林业站
关键词：
栎黄枯叶蛾;沙棘;生物学特性
摘  要：
栎黄枯叶蛾(Trabala vishnou gigantina Yang)是近年在沙棘林中大面积暴发的一种食叶害虫,以幼虫取食叶片,导致沙棘长势衰弱甚至死亡。本文采用野外调查和室内饲养观察相结合的方法对该虫的为害程度、形态特征、生活史、生物学特性等进行研究。结果表明:在陕西吴起,栎黄枯叶蛾为害严重,被害株率达到92.36%,枯死率达到6.45%,平均虫口密度为8.3头/株。该虫1年发生1代,以卵在茧表面、枝条及叶片等处越冬;翌年5月中下旬开始孵化,7月下旬开始结茧化蛹,蛹期平均(24.5±3.1)d;成虫始见于8月下旬,终见于9月下旬,羽化高峰期为9月上旬。成虫羽化主要集中在17:00—23:00,整个过程持续40～80min;羽化后无需补充营养,至第2日方能交配产卵,交配时间为凌晨1:00—5:00,高峰期为3:00—4:00左右;雌虫只交配1次,雄虫可多次交配。成虫寿命为6～13d。雌虫交尾后即可产卵,平均产卵量可达297粒。栎黄枯叶蛾生物学特性的系统研究,为其控制措施的制定提供了科学依据。
译  名：
Damage of Trabala vishnou gigantina(Lepidoptera:Lasiocampidae) to the sea-buckthorn forest and its biological characteristic
作  者：
Liu Yonghua1,2,Zhang Yiqiao1,Yan Xiongfei2,Zong Delu3,Zong Shixiang1,Luo Youqing1(1.Key Laboratory for Silviculture and Conservation of Ministry of Education,Beijing Forestry University,Beijing 100083,China;2.College of Life Sciences,College of Yulin,Yulin 719000,China; 3.Station of Forestry of Wuqi County in Shannxi,Wuqi 717600,China)
关键词：
Trabala vishnou gigantina;Hippophae rhamnoides;biological characteristic
摘  要：
Trabala vishnou gigantina Yang is a serious leaf-eating pest of the sea-buckthorn(Hippophae rhamnoides) in recent years,with larvae feeding on leaves of the host plants.The damage degree,morphological traits,life cycle and biological characteristic of the pest were studied through field survey and laboratory breeding and observation.The results showed that T.vishnou gigantina damaged seriously in Wuqi of Shaanxi,with the percentage of damaged plants of 92.36% and mortality rate of 6.45%.The population density is 8.3 larvae per tree on average.There is only one generation each year.Eggs were found to overwinter on cocoons,branches and leaves.Eggs begin to hatch in middle or late May.Larvae begin to pupate in late July,with the average pupal stage lasting(24.5±3.1)d.Adults emerge from late August to late September,with the eclosion peak in early September.Adult emergence occurs mainly in the evening(between 17:00—23:00),and takes 40-80 min.Adults eat nothing and mate on the next day after emergence.Copulation occurs in the morning(around 1:00-5:00),and have one mating peak from 3:00 to 4:00.Male mates several times,but female only mates once in whole life.The longevity of adults is 6-13 days.Female adults start oviposition at 2 days after emergence,and the average fecundity is 297 eggs per female.

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