The pattern of spatial distribution of the citrus yellow mite(Eotetranychus kankitus Ehara)on the citrus tree have been studied by means of determining aggregated indices in citrus orchards. The results showed that all stages of citrus yellow mite were aggregated within the crown of citrus tree. The aggregating intensity of each stage of the citrus yellow mite were different, the aggregating intensity of egg was the largest in the west, upper leaves and outer crown, for larva and nymph, largest in north, u...