Corbett, G.H. 1937. Division of Entomology Annual Report for the year 1936 Bulletin of the Department of Agriculture, Straits Settlements and Federated Malay States, General Series 26:29-48
Corbett, G.H. 1937. Division of Entomology Annual Report for the year 1936 Bulletin of the Department of Agriculture, Straits Settlements and Federated Malay States, General Series 26:29-48