The mealybug Pseudococcus longispinus (Targioni Tozzetti, 1867) (Hemiptera: Pseudococcidae) has been reported attacking coffee crops and causing fruit fall in the State of Minas Gerais, Brazil. The knowledge of its biology is necessary to implement control measures. Its development was studied at temperatures of 15, 20, 25, 30 and 35ºC. The insects were confined inside a Petri dish containing a foliar disc of 4...