da Fonseca, J.P. 1953 Contribuiçao para o estudo do Coccus hesperidum L. (Hemiptera Coccoidea). I - Estudo sistemático e morfológico. [Contribution to the study of Coccus hesperidum L. (Hemiptera: Coccoidea) I - Study of systematics and morphology.]. Brotéria. Lisboa 22: 5-53, 97-114.

Notes: Title in English: [Contribution to the study of Coccus hesperidum L. (Hemiptera: Coccoidea) I - Study of systematics and morphology.] An extended study, especially on the proper classification, the external morphology, and the synonymy.