Tourneur, J.C., Pham, A., & Hugues, R. 1975 [The evolution of infestations of Parlatoria blanchardi Targ. (Homoptera - Diaspididae) throughout the year in Adrar in Mauritania.]. Fruits 30(11): 681-685.

Notes: [Original title: Evolution des infestations de Parlatoria blanchardi Targ. (Homoptera - Diaspididae) au cours de l'année dans l'Adrar mauritanien.] There are two main periods of infestation: April-May and December.