Carvalho, M.B. 1939 Observaçoes sobre o combate de Coccideos nocivos á laranjeira. [Observations on the control of pest coccids on orange trees.]. Boletim da (Secretaria de) Agricultura, Industria e Comerci. 4: 133-137.

Notes: Species mentioned include Lepidosaphes citricola, Hemichionaspis minor, Mycetaspis personata, Icerya sp., Arthezia (Orthezia) insignis and Toxoptera aurantii.