Herbert, F.B. 1919a Insect problems of western shade trees.. Journal of Economic Entomology 12: 333-337.

Notes: Gossyparia spuria, Ehrhornia cupressi, Saissetia oleae, Pseudococcus citri, P. longispinus, P. maritimus, P. gahani, P. aurilanatus, Stomacoccus platani, Physokermes insignicola, Aspidiotus pini, Icerya purchasi, Aulacaspis rosae, Epidiaspis piricola, Aspidiotus perniciosus and Lecanium corni mentioned; hosts.