COMMUNITY STRUCTURES OF MAIN VEGETABLE PESTS IN THE SUBURBAN DISTRICT OF HANGZHOU
杭州市郊区主要蔬菜害虫群落结构的研究

From April to November in 1985 , main species of vegetable pests and their community structures in the suburban district of Hangzhou were investigated . Over forty species of main vegetable pests were found and r-tactical pests of them are still dominant in population. Vegetable pests occur mainly in Spring and Autumn. In Summer, their populations are decreased but the numbers of species are increased. The diversity index of the community in August is 3.269 . The pest species of the kidney bean is more than...