- Jones, T., M. Karanja, and S. Nganga. 1965. Pests of established forests and plantations survey of tree-boring pests of the tropical high forest . East African Agriculture and Forestry Research Organization, Annual Report 1965:152-153.
- Jones, T., M. Karanja, S. Nganga, and J. Ngigi. 1965. Pests of established forests and plantations . East African Agriculture and Forestry Research Organization, Record of Research 1964:115-116.