Oligonychus afrasiaticus is one of the most destructive mites of the date palm. It is very widespread in the world. Various strategies are used in its control. However, any procedure seems able to elminate it successfully. We describe, in this paper, the biology of the species, chemical and biological methods used in its control and we end up raising some problems in relation with the cause of its emergence and the refuges which shelter this mite during all the months of the year.