Lit, I.L., Calilung, V.J., & Villacarlos, L.T. 1990 Notes on mealybugs and scale insects (Coccoidea, Hemiptera) of cassava (Manihot esculenta Crantz).. Philippine Entomologist 8(1): 707-708.

Notes: Abstract: Two previously unrecorded scale insects on cassava in the Philippines reported: Pseudococcus elisae and Pseudaulacaspis pentagona.