西双版纳新发现一种阳春砂仁害虫

A New Pest of Amomum villosum in Xishuangbanna

目的:报道一种阳春砂仁的新害虫及其分布、发生与为害情况,为该虫防治技术提供参考。方法:人工饲养幼虫,观察形态鉴别特征,并对其分布、发生和为害情况进行了初步调查。结果:经鉴定,该虫为皱腹潜甲Anisodera rugulosa Chen et Yu,分布在西双版纳阳春砂仁各主产区,幼虫蛀食果实内部,使果实形成孔洞,严重者可令整个果实腐烂变黑。结论:该害虫严重影响了阳春砂仁的产量,需尽快开展防治工作。

Objective： To report a new pest of Amomum villosum and its distribution,occurrence regularity and damage situation,in order to provide reference for its control. Methods： Reared the pest larvae,observed the morphological characters,and made a preliminary investigation on its distribution,occurrence regularity and damage situation. Results： Through macroscopic examination,the pest was identified as Anisodera rugulosa,which distributed in the main producing areas of Amomum villosum in Xishuangbanna,the pest larvae ate the inside of Amomum villosum fruit,which made the fruit formed holes,more seriously,it made the whole fruit rot black. Conclusion： The pest causes the fruit yield reduction of Amomum villosum. Pest control work needs to be carry out as soon as possible.