**Acknowledgements**

We gratefully acknowledge the financial support for Hot water postharvest treatment work at the International Centre of Insect Physiology and Ecology -*icipe* by BioInnovate Africa grant number: BA-C1-2017-06\_icipe, the Australian Centre for International Agricultural Research (ACIAR), and the International Development Research Centre (IDRC) through the project 109040; and the core funding to *icipe* by the following organizations and agencies: UK's Foreign, Commonwealth and Development Office (FCDO); the Swedish International Development Cooperation Agency (Sida); the Swiss Agency for Development and Cooperation (SDC); the Federal Democratic Republic of Ethiopia; and the Government of the Republic of Kenya. The views expressed herein do not necessarily reflect the official opinion of the donors.
