Literature

• Catalogue of Life. Species 2000 & ITIS. [link]
• Colijn, E. & Mekkes, J-J. 2021. Results of an entomological collecting trip to St. Eustatius (Coleoptera). Entomologische Berichten 81(5): 182-190.

Literature references linked to higher taxa

• GBIF. Global Biodiversity Information Facility. www.gbif.org. [link] (Dytiscidae)