Hirundo apus, Taxa Only, Exact Match: 2 Treatments

Hirundo apus		spec. nov.	Linnaeus, Carolus, 1758, Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis, Stockholm: Laurentius Salvius : 192	192
Hirundo leucopyga Pallas 1811			Mlíkovský, Jiŕí & Frahnert, Sylke, 2009, Nomenclatural notes on Neotropical swallows of the genus Tachycineta Cabanis (Aves: Hirundinidae), Zootaxa 2209 (1), pp. 65-68 : 65-66	65-66