山楂绢粉蝶的生物学及防治
Biology of Aporia crataegi and its control.
姜双林
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DOI：10.7679/j.issn.2095-1353.2001.065
作者单位：甘肃省庆阳师范高等专科学校生物系,西峰745000
中文关键词：山楂绢粉蝶;生物学;天敌
英文关键词：Aporia crataegi; biology; natural enemies
中文摘要：山楂绢粉蝶在陇东各地每年发生1代 ,以3龄幼虫群集于树冠上吐丝缀叶成巢 ,并在其中越冬。幼虫共 5龄 ,幼虫食叶为害 ,每年 4月中下旬是猖獗为害期。天敌优势种是菜粉蝶绒茧蜂和白头小食虫虻等。
英文摘要：The blackveined white Aporia crataegi L.is one of the important pests on apple and azarole.It has one generation per year in eastern Gansu Province and overwinters in the third larval instar.Larval stage consists of five instars.Larvae occur fro