Bénassy, C. 1970 Essai d'utilisation pratique parasite spécifique du pou de San José en France. [Tests of practical use of Prospaltella perniciosi, a specific parasite of San José scale in France].. Annales de Zoologie - Ecologie Animale 45-50.

Notes: Since its introduction in France Quadraspidiotus perniciosi has spread in some French regions due to weather conditions and inadequate natural biological control. This report discusses the use of Propaltella perniciosis, a specific parasite, for control of this scale.