Most of these diseases can be controlled with fungicide applications in a spraying program to prevent their development. Scales are caused by a number of organisms including Pinnapis spp. Mite species infecting mangoes are Olygonynchus spp. Trips are Selenothrips rubrocinctus. Ambrosia beetle is Xylosandrus compactus, or Diabrotica baltaeta.
Fruit flies are a problem in Middle Guinea more so than Upper Guinea.