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Study on the Structure and Histology of Arthropod Community in Peach Orchards

BI Shoudong1,GAN Dejun2,ZHOU Xiazhi1,LI Lei1,GAO Caiqiu1,DING Chengcheng1,ZOU Yunding1(1Anhui Agricultural University,Hefei 230036;2Wanxi College)  
The arthropod community was divided into four subcommunities:phytophages,predators,parasitorids and neutralities by the standard of nutrition and hunting.The structures and dynamics of arthropod community and different subcommunities were analyzed by using a number of community parameters.The results indicated that there were 55 species of arthropod belonging to 37 families,including 28 species of phytophages representing 18 families;22 species of predators representing 14 families;3 species of parasitords representing 3 families;2 species of neutralities representing 2 families in peach orchards.The relative abundance of phytophages and predators were 0953367 and 0046188 respectively.So it can be seen that the phytophages dominated the arthropod community in peach orchards.The dominant concentration of phytophages was 0980648,larger than that of predators (0886292) and parasitoids (0420000).The other parameters such as diversity index (H′) and diversity index (Hill) including N1,N2,indicated the same trends,and showed the following order:predators subcommunity>arthropod community>phytophages subcommunity.
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