1. International Institute of Tropical Agriculture; Dar es Salaam Tanzania
2. Dipartimento di Gestione dei Sistemi Agroalimentari e Ambientali, Sezione Entomologia applicata; Università degli Studi; Catania Italy
3. Ukiriguru Agricultural Research Institute; Mwanza Tanzania
4. National Biological Control Programme, SRI Kibaha; Kibaha Tanzania
5. Zambia Agricultural Research Institute; Mount Makulu Research Station Chilanga Zambia