Bénassy, C., Bianchi, H., & Milaire, H.G. 1960a [Observations on the repercussions of established treatments in orchards on Prospaltella perniciosi Tower, a specific parasite of Quadraspidiotus perniciosus Comst.]. Phytiatrie-Phytopharmacie 9: 29-36.

Notes: [Original title: Observations sur la repercussion des traitements preconises en vergers sur Prospaltella perniciosi Tower, parasite specifique de Quadraspidiotus perniciosus Comst.] Winter and summer treatments are discussed in detail.