Abstract: In 2003～2004,a field investigation was made on the composition of butterfly community in the Houhe National Nature Reserve of Hubei Province,and the diversity,evenness and dominance of the community on the levels of family,genus and species in spring,summer and autumn were studied by the method of α-diversity.The results showed that the species richness,diversity,and dominance indices were the highest in summer,while the evenness index was the highest in spring.Nymphalidae was the highest in richness at the level of families,with the value of 32.

Key words: Community, Biomass, Net production