Hanna, A.D., Judenko, E., & Heatherington, W. 1956 The control of Crematogaster ants as a means of controlling the mealybugs transmitting the swollen-shoot virus disease of cacao in the Gold Coast.. Bulletin of Entomological Research 47: 219-227.

Notes: Pseudococcus njalensis, Planococcus citri and Ferrisiana virgata are the mealybugs found to transmit this virus.