The following were among the most useful sources of information used when compiling the pollinators key and fact sheets:

• Eardley CD, Gikungu MW and Schwarz MP (2009) Bee conservation in Sub-Saharan Africa and Madagascar: diversity, status and threats. Apidologie, 40: 355–366.
• Eardley CD, Kuhlmann M and Pauly A. (2010) The Bee Genera and Subgenera of sub-Saharan Africa. ABC Taxa vol 7: i-vi, 138 pp. www.abctaxa.be/volumes/vol-7-bees
• Eardley CD and Urban R (2010) Catalogue of Afrotropical bees (Hymenoptera: Apoidea: Apiformes). Zootaxa, 2455: 1–548.
• Kasina M, Kraemer M, Martius C and Wittmann D (2009) Diversity and activity density of bees visiting crop flowers in Kakamega, western Kenya. Journal of Apicultural Research, 48 (2): 134-139
• Kasina M, Kraemer M, Martius C, Wittmann D (2009) Farmers' knowledge of bees and their natural history in Kakamega district, Kenya. Journal of Apicultural Research, 48 (2): 126-133
• Martins DJ (2004) Foraging patterns of managed honeybees and wild bee species in an arid African environment: ecology, biodiversity and competition. Intern J Trop Insect Sci 24(1): 105–115.
• Martins DJ (2008) Pollination observations of the African Violet in the Taita Hills, Kenya. J EA Nat Hist 97 (1): 33-42.
• Michener CD (1974) The social behaviour of the bees. Belknap Press, Cambridge, USA. Michener CD (2007) The Bees of the world, the John Hopkins University Press, Baltimore and London, pp 913.
• Munyuli T (in press) Pollinator biodiversity in Uganda and in Sub-Sahara Africa: Landscape and habitat management strategies for its conservation. International Journal of biodiversity and conservation.
• Slaa EJ, Chaves LAS, Malagodi-Braga KS and Hofstede. FE (2006) Stingless bees in applied pollination: practice and perspectives. Apidologie, 37: 293–315