贵州首次发现蔬菜检疫性害虫菜黑斯象

菜黑斯象（Listroderes obliquus Klug）于2008年在贵阳市十字花科蔬菜上发现，它既是一种检疫性害虫，也是当地蔬菜上发现的一种新害虫。除台湾、云南外，贵州省是我国第三个发现此虫的地区。1年半的追踪调查表明，在贵阳地区所辖的10个区、市、县中已有7个区（市）的菜地里发现该虫，局部蔬菜地中虫口较多。该虫活动能力弱，目前总体上为害不严重，防治不困难，喜食叶芽和嫩叶，防治重点应放在莲座期。

Preliminary Investigation of A Quarantine Pest,Vegetable Weevil First Discovered in Guizhou,China

Vegetable weevil ( Listroderes obliquus Klug ) was discovered in Guiyang in 2008, which was a quarantine pest and a new pest of cruciferous vegetable in Guizhou. Yunnan was the third province which the vegetable weevil was found after Taiwan and Yunnan. The one and a half year investigation showed that the weevil was discovered in seven districts (counties) of Guiyang and some populations was relatively more in a few vegetable fields. But its activity or movement are weak and the vegetable was not severely ...