Seasonal Activity of Chilocorus bijugus Mulsant on San Jose scale, Quadraspidiotus perniciosus (Comstock) in Apple Ecosystem Jump To References Section Authors U. S. Rawat Central Biological Control Station, Solan-173212 ,IN S. K. Sangal Deptt. of Zoology, D.A.V. (P.G.) College, Dehradun - 248001 ,IN A. D. Pawar Directorate of Plant Protection, Quarantine Storage, Faridabad - 121 001 ,IN DOI: https://doi.org/10.18311/jbc/1993/15159 Keywords: Chilocorus bijugus, Predator, Seasonal Activity, Quadraspidiotus perniciosus. Abstract No Abstract.