Da Silva, V.C.P., Kaydan, M.B., Da Silva-Torres, C.S.A. & 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, 4604 (3), 525–538.