Fleury, A.C. 1934 Bureau of Plant Quarantine.. Monthly Bulletin, Department of Agriculture, State of California 23: 483-500.

Notes: Scale species mentioned include Lepidosaphes halli, Chionaspis yanonensis, Eriococcus sp., Parlatoria cinerea, Selanaspidus articulatus, Pseudaonidia duplex, Protopulvinaria pyriformis, Pseudococcus adonidum, P. citri and Chrysomphalus dictyospermi.