In order to clarify the composition and relationship between plant community and insect community,and provide theoretical basis for improving biodiversity and pest control.In this paper,five plant configuration types(Ⅰ-ecological base forest,Ⅱ-colorful flower forest,Ⅲ-forest grassland,Ⅳ-forest orchard and Ⅴ-near-natural forest)were selected as the research objects in Xiongan New Area,and the correlation between plant community and insect community was determined by using community investigation methods and typical cor-relation analysis.The results showed that there were 48 species of 20 families,35 genera and 20 families in the 5 plant configuration.Ⅰ plant community diversity index and richness in-dex were higher,dominance index was lower,and stability was better,which was signifi-cantly different from Ⅳ.Ⅱ,Ⅲ and Ⅴ had no significant difference except evenness index.There were 336 species of insects in 12 orders and 100 families.According to the index of in-sect community characteristics,Ⅰ reflected relatively stable community structure,which was significantly different from Ⅳ,and had no significant difference from other configura-tions,Ⅱ,m and Ⅴ had no significantly difference,and the overall trend of insect communi-ty characteristics was consistent with that of plant community.Typical correlation analysis showed that Ⅰ plant communities had significant correlation with insect communities,while the other four plant communities had no significant correlation with insect communities.Conclusion:The plant community and insect community structure of the plant configuration were stable,and there was a significant correlation between the plant community and the in-sect community.Different plant configurations led to different degrees of differences in insect communities.
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