姜堰市夏季稻田黑光灯下昆虫群落结构研究

Study on structures of insect community with using ultraviolet light trap in the summer rice field of Jiangyan city

对姜堰市夏季稻田灯下昆虫群落结构进行了初步研究。结果表明:姜堰市夏季稻田灯下昆虫群落由6目45种组成。其中,鳞翅目昆虫最多,鞘翅目昆虫次之。稻螟蛉、稻纵卷叶螟和白背飞虱是姜堰市夏季稻田灯下昆虫群落的害虫优势种,优势度分别为35.69%、24.02%和14.08%,对群落结构起决定性的作用。这些研究将为姜堰市夏季稻田害虫的综合防治提供理论依据。

The preliminary investigation on the structures of insect community with the alluring insect lamp in Jiangyan City, Jiangsu Province was carried out. The results showed that the whole insect community consisted of 45 species in 6 orders; the number of Lepidoptera was the most and that of Coleoptera was the next. Naranga aenescens, Chaphalocrocis medinalis and Sogatella furcifera were key species of the insect community. Their dominant index were 35.69% ,24.02% and 14.08% respectively. The experimental results couht provide the basis for the IPM in the fleer field of jiangyan city.