Insects diversity of Fengyangshan Mountain in Zhejiang Province

23 231 insects were collected by the methods of net,light trap,malaise trap and etc.to conduct a two years' intensive survey on the diversity of insects from Fengyangshan Mountain in Zhejiang Province.Totally,1 690 species in 1 161 genera,239 families and 25 orders were found,including previous records.The four dominant orders(Lepidoptera,Coleoptera,Hymeuoptera and Diptera) were mostly composed of monotypic families,oligotypic families and mono-genus families,oligo-genus families,which suggested stable insect communities in this area.Community structures were expressed by Margalef's species richness index(d),Shannon-Wiener's diversity index(H′),Simpson's diversity index(D) and Pielou's species evenness(J′).In order to protect insect resources in this area,it was suggested creating diversified plant communities,reducing human disturbance and strengthening the research,development and utilization of the potential values of insect resources.[Ch,3 fig.2 tab.14 ref.]