Maksimova, V.I. 1973a [Colonization of San Jose scale (Quadraspidiotus perniciosus Comst.)].. Vestnik Zoologii. Institut Zoologii Akademiya Nauk Ukrainskoi SSR. Kiev 7: 78-80.
Notes: Crawlers react to air temperature and humidity.
Maksimova, V.I. 1973a [Colonization of San Jose scale (Quadraspidiotus perniciosus Comst.)].. Vestnik Zoologii. Institut Zoologii Akademiya Nauk Ukrainskoi SSR. Kiev 7: 78-80.
Notes: Crawlers react to air temperature and humidity.