Popova, A.I. 1964 [Method of mass rearing a parasite of San Jose scale.]. Trudy Vsesoiuznogo nauchno-issledovatel'skogo instituta zashchity rastenii [Proceedings of the All-Union Scientific-Research Inst. for Plant Prot.] 20(I): 61-64.

Notes: Quadraspidiotus perniciosus.