Da Silva, V. C. P., Kaydan, M. B., Da Silva-Torres, C. S. A. and Torres, J. B. (2019) “Mealybug species (Hemiptera: Coccomorpha: Pseudococcidae) on soursop and sugar apple (Annonaceae) in North-East Brazil, with description of a new species of Pseudococcus Westwood”, Zootaxa. Auckland, New Zealand, 4604(3), pp. 525–538. doi: 10.11646/zootaxa.4604.3.8.