Bénassy, C. 1958b Remarques sur l'écologie de Quadraspidiotus perniciosus Comst. dans le midi Méditerraneen (Hom. Diaspidinae). [Remarks on the ecology of Quadraspidiotus perniciosus Comst. in the southern Mediterranean (Hom. Diaspidinae).]. Entomophaga 3(2): 93-108.

Notes: The life cycle of San José scale, natural mortality and natural enemies are discussed.