Rahman, K.A., & Ansari, A.R. 1941 Scale insects of the Punjab and north-west frontier province usually mistaken for San José scale (with descriptions of two new species).. Indian Journal of Agricultural Sciences 11: 816-830.

Notes: Aonidia zizyphi, Lapazia peshawarensis n. spp.; 8 other scale insects discussed; key and collection data for 10 scale insects.