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龟纹瓢虫[Propylaea japonica(Thun-berg)] 是我省安庆沿江两熟套种棉区中棉花主要害虫蚜虫和棉铃虫的天敌优势种群之一.1978～1983年在安庆、怀宁、东至等市、县棉区调查,瓢虫种类有龟纹、黑襟毛、异色、稻红等瓢虫,其中龟纹瓢虫占总量的48.4—99.4%,在棉田存量大,出现早,时间长,适应性强,是棉田中具有生物防效和发展前途的种群.根据多年研究结果整理如下:
Propylaea japonica (Thun-berg)] is one of the predominant population of natural enemies of cotton aphids and cotton bollworm in the cotton fields of two-cropping interplanting along the Yangtze River in Anqing of our province. From 1978 to 1983, Other cities and counties cotton area investigation, the ladybug species are turtle pattern, black lapel, heterochromatic, red rice and other ladybugs, of which the ladybug Tuobu accounted for 48.4-99.4% of the total, large stock in cotton fields, appeared early, A long time, adaptability, is the cotton field with biological control and development prospects of the population.According to many years of research results are as follows: