Preliminary Study on Insect Diversity in Heilihe National Nature Reserve

The insects collected from Heilihe National Natural Reserve in Chifeng of inner Mongolia were investigated systematically from June to October in 2007,and various diversity indexes were used to test insect diversity in the reserve.The results indicated that there are 223 species of pollinators,which belong to 11 orders,65 families,176 genera.α-grade community diversity analysis indicated that the order of five communities diversity indexes was: Quercus mongolica forest edge communityBetula platyphylla forest edge community riverside meadow community Corylus heterophylla forest edge communityman-made coniferous forest edge community.In five different communities,indexes of insects in the Quercus mongolica forest edge community,such as number of species,individuals,species diversity index and species uniformity indexes were higher than those of other four kinds of communities.Similarity and clustering analysis of communities indicated that similarities of insects in each different community had significant difference.Changes of insects community diversity are mainly in connection with vegetation type.