茴香薄翅野螟发生动态的调查

Investigation of the occurrence dynamics of Evergestis extimalis

张登峰，咸文荣，来有鹏，王信，王爱玲，耿贵工

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作者单位：青海省农林科学院植物保护研究所西宁810016

中文关键词：茴香薄翅野螟, 发生动态, 调查

英文关键词：Evergestis extimalis, occurrence dynamics, investigation

中文摘要：

      经调查研究表明:在青海省的油菜种植区,茴香薄翅野螟Evergestis extimalis  Scopoli越冬幼虫从6月初开始化蛹，6月中旬化蛹率达为80%，到6月下旬化蛹率达到100%；成虫于7月上旬开始羽化，7月15～20日为成虫羽化高峰；田间卵始见期为6月下旬至7月上旬，7月中旬达到产卵高峰期；越冬幼虫平均死亡率为96.63%。

 

英文摘要：     The investigation showed that the overwintering larvae Evergestis extimalis Scopoli pupated from early June in the rape fields of Qinghai. The pupation rate was 80% in midJune, and 100% in late June. Adults emerged from early July, and it reached the peak on 15th～20th of July. From late June to early July, females began laying eggs, and it reached the peak in midJuly. The average mortality of overwintering larvae was 96.63% result shown that in the rape planted fields via and study.

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