Shi, G.L., Liu, X.Q., Li, J., Li, L.C., & Yang, F.D. 1997 Studies on the bionomics of Quadraspidiotus perniciosus (Comstock) and its occurrence prediction.. Scientia Silvae Sinicae 33: 161-167.

Notes: Life cycle; emergence; eclosion on plant host, Jujube; effect of temperature & humidity; mortality; population density; population sex ratio.