Ardeicola expallida [sic] Blagoveshtchensky, 1940: 69, 89, fig. 21.
Ardeicola gaibagla Ansari, 1947: 256, fig. 1.
Ardeicola albulus Eichler, 1948c: 107, figs 2–3.
Ardeicola albulus Eichler, 1948; Hopkins & Clay 1952: 38.
Ardeicola expallidus Blagoveshtchensky, 1940; Hopkins & Clay 1952: 39. Emendation.
Ardeicola gaibagla Ansari, 1947; Hopkins & Clay 1952: 39.
Ardeicola gaibagla Ansari, 1947; Tuff 1967: 251, figs 17–19.
Ardeicola expallida Blagoveshtchensky, 1940; Tuff 1970: 484.
Ardeicola albulus Eichler, 1948; Mey 1994: 33, figs 15–16.
Ardeicola expallidus Blagoveshtchensky, 1940; Price et al. 2003: 148.
Ardeicola expallidus Blagoveshtchensky, 1940; Palma 2017: 87.
Syntypes ♂ ♀, repository unknown, but probably in ZMAS (see Palma 2017: 87).
Type host: Egretta garzetta garzetta (Linnaeus, 1766).
Chilean host: Bubulcus ibis ibis (Linnaeus, 1758).
Other hosts: Ardea alba Linnaeus, 1758; Ardea modesta J.E. Gray, 1831; Bubulcus ibis coromandus (Boddaert, 1783); Egretta garzetta garzetta (Linnaeus, 1766); Egretta garzetta immaculata (Gould, 1846); Egretta thula (Molina, 1782).
Chilean locality: At sea, west of Santiago: Region RM.
Geographic distribution: All continents, except Antarctica.
Chilean reference: This catalogue.
Other significant references: Tuff (1967); Tuff (1970); Mey (1994); Palma (1996: 156); Price et al. (2003); Palma (2017).
Remarks: This is the first record of Ardeicola expallidus from Chile, based on one sample from Bubulcus ibis ibis held in MONZ.