摘要
使用扫描电镜观察了甘薯小象虫成虫触角和下颚须的表面特征。根据感觉器的形态特征,在触角上看到了毛状感觉器、棒状感觉器、锥状感觉器和坛状感觉器;在下颚须上看到了栓状感觉器、板状感觉器和锥状感觉器。触角上的棒状感觉器以前尚未见报道。
Surface features of adult antenna and maxillary palp of the sweetpotato weevil,Cylas formicarius Fabr.,were examined under a scanning electron microscope.There are trichoid sensillae,cudgel sensillae,basiconic sensillae and coeloconic sensillae on the antenna,pegs,plate sensillae and basiconicsensillae on the maxillary palp according to the sensilla appearances.The cudgel sensillae on the antenna have not been found to be reported in other insects.
关键词
感觉器
触角
下颚须
甘薯小象虫
sensilla
antenna
maxillary palp
Cylas formicarius
fine structure
