1. Department of Plant Science and Crop Protection, Kabete Campus, University of Nairobi, Nairobi, Kenya
2. International Centre of Insect Physiology and Ecology (icipe), Nairobi, Kenya
3. College of Agriculture and Veterinary Medicine, Jimma University, Jimma, Ethiopia
4. International Centre of Insect Physiology and Ecology (icipe), Addis Ababa, Ethiopia