Gamzaev, I.M. 2002 Natural enemies of the California scale.. Zashchita i Karantin Rastenii (No. 1): 27-28.

Notes: Details are given of the biology of Chilocorus renipustulatus, C. lipustulatus, Exochomus quadripustulatus, Aphytis proclia and Prospaltella perniciosi, natural enemies of the California scale [Quadraspidiotus perniciosus] in fruit-growing areas of Dagestan, Russia.