Bénassy, C., Bianchi, H., & Milaire, H.G. 1962 Etat actuel des recherches en cours sur la "lutte intégrée" dans le cas des coccides en France. [Status of ongoing research on the integrated control of coccids in France].. Entomophaga 7(1): 59-68.

Notes: An attempt to associate chemical and biological control is being carried out in an orchard of apple trees contaminated by San José scale. Prospaltella perniciosi has been introduced in hopes of controlling population densities.