Emeritus Professor of Post-Harvest Technology. Thirty-one years research, teaching and consultancy on ecology and management of pests of food commodities in the tropics, especially: ecology and taxonomy of insects and mites; biological control and integrated pest management; monitoring and identification of storage pests and natural enemies. Five years research and training in Indonesia; field experience elsewhere in South-East Asia, and in Africa and South America.

Biological control and integrated pest management.