Hagen, K.S. 1974 The significance of predaceous Coccinellidae in biological and integrated control of insects.. Entomophaga Mem. H.S. 7: 25-44.

Notes: Icerya purchasi, Aspidiotus destructor, Phenacoccus gossypii, San José scale, Pseudaulacaspis pentagona, Asterolecanium pustulans and Chionaspis pinifoliae are discussed as one of the target pests.