Abstract
The population densities of phytophagous and predaceous mites inhabitingleaves and green buds ofthreemango (Mangifera indica L.) varieties (Baladi, Hind and Taimour) were studied from April 2013 to March 2015. The experiments were carried out at four places at Assiut and Sohaggovernorates to determine the relationship between phytophagous mites and predaceous mites.