Rawat, U.S., Sangal, S.K., & Pawar, A.D. 1992 Development of Chilocorus bijugus Mulsant, a predator of San Jose scale, Quadraspidiotus perniciosus (Comstock) at different levels of temperature and relative humidity.. Journal of Insect Science 5(2): 137-140.

Notes: Abstract: Eggs of this scale predator did not hatch at 13 degrees and 38 degrees C; discussion of optimum conditions for survival and development.