火力楠受统帅青凤蝶危害广西首次发现及种群受害差异

First Record of Attack on Michelia macclurei Dandy by Graphium agamemnon(Linnaeus)in Guangxi Zhuang Autonomous Region and Damage Differences Among Different Population

以广西壮族自治区6个天然种群的火力楠(Michelia macclurei Dandy)种子为试材,采用同步育苗与观察虫害发生和测定害虫对火力楠苗木活体挥发物及鲜叶剪碎片触角电位反应的方法,研究统帅青凤蝶(Graphium agamemnon(Linnaeus))对火力楠不同种群苗木危害的差异和统帅青凤蝶成虫对火力楠的电位反应。结果表明:6个天然种群的火力楠苗木均受统帅青凤蝶危害,受危害苗木株数和统帅青凤蝶幼虫数量、不同县部分种群间和同一个县内不同乡镇种群间有显著差异,但同一个乡镇内不同种群间尚未发现显著差异。统帅青凤蝶雌、雄成虫均对6个火力楠种群苗木活体挥发物和鲜叶剪碎片无EAG反应。

Taking seeds of Michelia macclurei Dandy from 6natural population in Guangxi Zhuang Autonomous Region as material,differences of Graphium agamemnon（Linnaeus）attack on seedlings of Michelia macclurei Dandy from different population were studied and electroantennogram（EAG）responses of Graphium agamemnon（Linnaeus）to Michelia macclurei Dandy were conducted by methods of seedlings cultivation and observation on pests synchronously,as well as EAG responses of pests to volatiles and leaf fragments fromLiving seedlings of Michelia macclurei Dandy.The results showed that seedlings of Michelia macclurei Dandy from 6natural population were attacked by Graphium agamemnon（Linnaeus）.Numbers of seedlings attacked and larvae of Graphium agamemnon（Linnaeus）were significantly different in some population of different counties and different towns of the same county,not significantly different among population of the same town.No EAG responses of both female and male of Graphium agamemnon（Linnaeus）to volatiles and leaf fragments fromLiving seedlings of 6population of Michelia macclurei Dandy were detected.