【摘要】 铁杉大痣小蜂(Megastigmus sp.)隶属膜翅目Hymenoptera细腰亚目Apocrita长尾小蜂科Torymidae大痣小蜂属Megastigmus,在云南省主要分布于丽江市、维西县。通过野外调查和标本采集,并结合室内饲养观察,对其生物学特性进行了研究。结果表明该虫在丽江1年发生1代,完全在种子内取食、发育。更多还原

【Abstract】 Megastigmus sp.belongs to Megastigmus,Torymidae,Apocrita,Hymenoptera.It mainly distributs in Lijiang,Weixi.The biological characteristics of Megastigmus sp.were studied through practical investigation,the collection of samples and the observation of the pests bred in the laboratory.It has one generation each year in Lijiang Yunnan.the seeds of Tsuga forresttii were damaged by the larvae during the time of growth of the cone.And the pest damage in one seed during its generation.更多还原