(Trochilidae; Ϯ White-tipped Sicklebill E. aquila) Gr. ευ eu  fine, good; τοχηρης toxērēs  archer, furnished with the bow  < τοξον toxon  bow (cf. ευτοξια eutoxia  skill in archery). Reichenbach's 1849, plate XL, labelled Trochilinae. Mellisuginae. Phaëtorninae, shows the head of this hummingbird with its distinctive arched bill; "Eutoxeres Aquila (Tr. — BOURC. 1847.) RCHB. syst. — St Fé de Bog.    — Condaminei (Tr. — BOURC. 1851.) RCHB. — Ecuador: Archidona." (Reichenbach 1854); "Eutoxeres Reichenbach, Av. Syst. Nat. [1849], pl. XL. generic details only, no species. Species added, Gould, Monogr. Trochil., pt. 2, Nov. 1851, pls. [5 and 6]. Type, by subsequent designation, Trochilus aquila Lodd. i.e. Bourcier. (Gray, Cat. Gen. Subgen. Bds., 1855, p. 21.)" (Peters 1945, V, 16).
Synon. Myiaetina.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2018). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2018). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 12 December 2018).