Literature

• Various contributors 2017. Hymenoptera Online (HOL) [accessed 8 March 2017]. [link]
• Yokoyama, M. 2010. The Incomplete Guide to the Wildlife of Saint Martin. 129 pp. sxm wildlife.
• Yokoyama, M. 2013. The Incomplete guide to the wildlife of Saint Martin. Revised and expanded second edition. 131. sxm wildlife.

Literature references linked to higher taxa

• Encyclopedia of Life. [link] (Hymenoptera)
• Maddison, D. (ed.). Tree of Life web project. [link] (Apoidea)