Bitancourt, A.A., da Fonseca, J.P., & Autuori, M. 1933 Doenças, Pragas e Tratamentos. [Diseases, Pests and Treatments.]. [Manual of Citriculture.] Manual de Citricultura. Chacaras e Quintaes Sao Paulo 212 pp.
Notes: Chemical, biological and cultural control; Orthezia insignis mentioned.