Carrero, J.M., Limon de la Oliva, F., & Panis, A. 1977 Note biologique sur quelques insectes entomophages vivant sur olivier et sur agrumes en Espagne. [Biological report on certain entomophagous insects on olive and citrus in Spain.]. Fruits 32(9): 548-551.
Notes: Parasites and/or predators of the following pests are discussed in relation to biological control: Prays oleae (on olives), various scale insects on olives, Parlatoria pergandii (on citrus), and Saissetia oleae (on olives and citrus).