Maksimova, V.I. 1974 [The effect of the ambient temperature on the development of San Jose scale (Quadraspidiotus perniciosus Comst.)].. Vestnik Zoologii. Institut Zoologii Akademiya Nauk Ukrainskoi SSR. Kiev No. 2: 81-82.

Notes: Optimal developmental temperature in first instar on apple branches was 26-28°; higher temperatures (33-38°C) were unfavorable for development.