宁乡市苦瓜园区瓜实蝇发生动态研究

瓜实蝇是一种世界性的检疫性害虫,严重危害瓜类蔬菜和水果的品质与产量。近几年瓜实蝇在宁乡县苦瓜上为害越来越严重,严重影响该县苦瓜产业的发展。2015年和2016年采用引诱剂和黄板监测了宁乡县苦瓜园区瓜实蝇成虫发生动态,同时结合套袋技术监测了瓜实蝇幼虫发生动态,以期明确宁乡县瓜实蝇在蔬菜类瓜果上的发生规律,为瓜实蝇的预测及后期综合防控提供参考。结果表明:宁乡县苦瓜园区瓜实蝇成虫始见期发生在6月上旬,高峰期年际变化较大,但主高峰期集中在9月中旬,结束期多发生在10月中旬左右。

Occurrence Dynamics of Melon Fly Bactrocera(Zeugodacus)cucurbitae (Coquillett) on Momordica charantia in Ningxiang

The melon fly,Bactrocera (Zeugodacus)cucurbitae (Coquillett), which damages yield and quality of fruits and melon vegetables, is an important quarantine pest in the world. Between 2015 and 2016, the dynamics of melon fly was investigated in Ningxiang by use of attractant and yellow boards for adults, as well as bagging for larva, so as to understand the occurrence of melon fly onM. charantiaand provide a basis for the prediction and control of melon fly. The results showed that the first appearance of melon fly on M. charantia mainly occurred in early June, and the major peak was mainly recorded in mid-September. And the melon fly was rarely observed in mid-October.