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榆凤蛾EpicopeiamenciaMoore幼虫为害榆树。山西省于1989年首次发现。在晋城市泽州、高平等地一年发生1代。以蛹在地表下15~30mm处越冬。蛹期自9月至次年6月,可长达10个月。蛹7月上旬开始羽化,7月中旬为羽化盛期。幼虫共5龄,危害期达40天。以5龄幼虫危害最大,其食叶量占整个幼虫期食叶量的88.33%。防治措施为保护天敌、人工捕杀老熟幼虫和蛹、喷施敌敌畏或1605等农药。
Epidermophyte Epicopeiamencia Moore larvae damage elm. Shanxi Province was first discovered in 1989. Zecheng in Jincheng City, high-level occurrence of one generation a year. To pupa in the ground 15 ~ 30mm at the winter. Pupal period from September to June next year, up to 10 months. Pupa began to emerge in early July, mid-July for the feather peak. A total of 5 larvae, the damage period of 40 days. The 5th instar larvae had the most harmful effects on the larvae, which accounted for 88.33% of the total larvae. Control measures To protect natural enemies, artificial killing of mature larvae and pupae, spraying dichlorvos or other pesticides such as 1605.