棉田与相邻荒漠过渡带三类主要捕食性天敌昆虫群落特征的初步研究

Primary Study on Community Character of Three Major Predatory Natural Enemy Insects in Desert Transition Zone and Cotton Field

对南疆喀什地区莎车县恰热克镇棉田及相邻荒漠过渡带三类主要捕食性天敌昆虫—瓢虫、草蛉、食虫蝽的群落结构及动态进行了初步的研究和分析,结果表明:在两生境中瓢虫类优势种均为多异瓢虫,食虫蝽类优势种均为异须盲蝽,草蛉类优势种在荒漠过渡带为中华草蛉,在棉田中为叶色草蛉。棉田中三类主要捕食性天敌昆虫和相邻荒漠过渡带中三类主要捕食性天敌昆虫关系密切。

In this article a preliminary research and analysis were made on community character of the three major predatory natural This enemy insects in desert transition zone and cotton field of south Xinjiang. The main results were as follows： Adonia variegata and Helicoverpa armigera are superior species in two ecological enviroment ; Chrysopa sinia and Chrysopa septempunctata are superior species in desert transition zone and cotton field respectively. The relationship of three major predatory natural enemiy insects in two ecological enviroment are close.