Mondal, G.C., Sethuraj, M.R., Sinha, R., & Potty, S.N. 1994 Pests and diseases of rubber in north east India.. Indian Journal of Hill Farming 7: 41-50.

Notes: Severe infestations of scale insects (Saissetia nigra (Parasaissetia nigra)) mentioned among the range of pests found on rubber.