摘要
研究发现嘉兴地区危害香樟树的丛螟科害虫为橄绿瘤丛螟Orthaga olivacea（Warren），对该虫的生物学特性和发生规律做了研究。该虫较为喜欢危害5～10年生香樟树，多头幼虫聚集在一起取食叶片，并缀合受害叶片成鸟巢状虫苞。在嘉兴地区1年发生2代。根据计算幼虫可分为7龄，符合Dyer生长规律。
An insect pest on the camphor trees in Jiaxing area of Zhejiang Province was identified as Orthaga olivacea （Warren） （Lepidoptera： Pyralidae） and its biological characteristics and occurrence were studied. The caterpillars of this species preferred to feed on camphor trees of 5 to 10 years old, and damaged tree leaves by aggregative feeding within nests formed by infested leaves. There were 2 generations a year in Jiaxing. The larva can be divided into 7 instars based on Dyar＇ s law.
出处
《昆虫知识》
CSCD
北大核心
2008年第4期562-565,F0004,共5页
Entomological Knowledge
基金
嘉兴市科技计划项目(编号:2005BY6004)资助
