Literature references linked to higher taxa

• Encyclopedia of Life. [link] (Hymenoptera)
• Boer, P. 2020. Identification key of the ant species of Aruba, Bonaire and Curaçao. [link] (Formicidae)
• Various contributors 2017. Hymenoptera Online (HOL) [accessed 8 March 2017]. [link] (Aculeata)