Mathys, G., & Guignard, E. 1962 Un important allié dans la lutte contre le pou de San-José: Prospaltella perniciosi Tow. [An important ally in the control of San José scale: Prospaltella perniciosi Tow.]. Agriculture Romande 1(5) Ser. A: 59-61.

Notes: Studies on the effectiveness of this natural enemy as part of integrated control.