Abstract: To investigate the composition and diversity of Acaroid mite community in the house ecosystem of Huainan area,A.mite in four different habitats were collected,isolated,and identified.The results showed that the positive rate of acaroid mites was 44.9%,which varied in different breeding places,i.e.,32.5% in bed dust,52% in floor dust,32.5% in clothing dust,and 26% in furniture dust.14 species were detected,belonging to 11 genera and 5 families.Diversity analysis suggested that the species richness index R_margalef for the four habitats ranged from 0.400 to 1.170,while the species diversity index(Shannon-Wiener index) ranged from 1.574 to 2.480,and Pielou index ranged from 0.967 to 0.978.Temperature,humidity and food habit were the major limiting factors determining the species composition and diversity of acaroid mite community in house ecosystem.Human disturbance also affected the species composition of acaroid mite community.

Key words: tobacco field, soil nutrient, spatial variability, management zone.