Literature

• Catalogue of Life. Species 2000 & ITIS. [link]
• Smit, J.T. 2019. Robber flies from Sint Eustatius, Lesser Antilles, with the descriptions of Efferia exaggerata sp.n. and the male of Ommatius prolongatus Scarbrough (Diptera: Asilidae). Zootaxa 4586(1): 141-150.