Yakhyoyev Jurabek Nodirjonovich et al. 2020. Bioecology And Phenological Development Of The Californian Shield (Quadraspidiotus Perniciosus Comst.) In Uzbekistan. The American Journal of Agriculture and Biomedical Engineering. 2, 08 (Aug. 2020), 124–131. DOI:https://doi.org/10.37547/tajabe/Volume02Issue08-14.