De Lotto, G. 1957c On some Ethiopian species of the genus Coccus (Homoptera: Coccoidea: Coccidae).. Journal of the Entomological Society of southern Africa 20: 295-314.
Notes: Provisional key to separate 13 species; C. sordidus n. sp.
De Lotto, G. 1957c On some Ethiopian species of the genus Coccus (Homoptera: Coccoidea: Coccidae).. Journal of the Entomological Society of southern Africa 20: 295-314.
Notes: Provisional key to separate 13 species; C. sordidus n. sp.