Smetnik, A.I. 1991 [Pheromones of scales.]. Quarantine Pests, Diseases and Weeds I: 92-129.

Notes: Species discussed include Aondidiella aurantii, A. citrina, Chionaspis salicis, Diaspidiotus ostraeformis, D. digas, D. spurcatus, Epidiaspis leperii, Matsucoccus resinosea, Nuculaspis abietis, Planococcus citri, Pseudaulacaspis pentagona, Pseudococcus calceolariae, P. comstocki and Quadraspidiotus perniciosus.