茴香薄翅野螟发生动态的调查  

Investigation of the occurrence dynamics of Evergestis extimalis

作　　者：张登峰[1] 咸文荣[1] 来有鹏[1] 王信[1] 王爱玲[1] 耿贵工[1] 

机构地区：[1]青海省农林科学院植物保护研究所,西宁810016

出　　处：《昆虫知识》2010年第1期201-203,共3页Entomological Knowledge

基　　金：青海省重点科技攻关项目(2007-N-113)

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%。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.

关 键 词：茴香薄翅野螟 发生动态 调查 

分 类 号：Q969[生物学—昆虫学]