On litchi whiteflies Dialeuropora sp. the predator mite pass 3 stages as egg, larval (protonymph, deutonymph) and adult. The adult size is 0.346 x 0.286 mm (length x width) in average. The life cycle of predator mite is 9.42 days, and longervity is 23.1 days. The oviposition time of female adult last 14 days but the fecundity is low (1.02 eggs per day) and the total number of egg is 13.43. The eggs laid at mid of oviposition period have higher emergerency rate and lower mortality than others.