An analysis of the relationship between ecological factors of residents found that height from sea level is an important factor affecting geographic distribution of black flies in the Rin Don Inthanon.
Analysis of the relationship between ecological habitat found that the height above sea level is an important factor affecting the geographic distribution of black fly pests in upland areas Inthanon.
Analysis of the relationship between ecological habitats, it was found that the high level is the main factor affecting the water from the sea of geographical distribution of insects midges black in upland area Inthanon.