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期 刊 ：植物保护学报 1998年

关键词：棉铃虫；渤海；迁飞；

Keywords:cotton bollworm, Bohai Gulf, migration,

摘 要 ：1996～1997年华北地区一代棉铃虫(Helicoverpa armigera (H(?)bner))成虫发生期间,乘客轮在渤海考察了棉铃虫的迁飞动态。在距海岸线20～80km处发现大量的棉铃虫、粘虫和龟纹瓢虫等昆虫向辽宁方向迁飞。对棉铃虫迁飞行为的观察结果表明,棉铃虫成虫于傍晚19:30左右起飞,凌晨4:00～5:00降落,共计在空中大约飞行8.5～9.5h。捕获的棉铃虫雌成虫卵巢发育1级占96％、2级占4％,交配率4％,具有迁飞昆虫的典型生理特征。

Abstract:Migratory activities of the first generation moths of cotton bollworm in north China across the Bohai Gulf were observed on the deck of passenger ships during 1996 and 1997. Lots of individuals flew toward northeast China, including cotton bollworm Helico

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