Quadraceps macrocephalus (Waterston, 1914) New record Nirmus macrocephalus Waterston, 1914: 284, pl. 25: figs 2, 5. Degeeriella macrocephala Waterston, 1914 [sic]; Harrison 1916: 117. Quadraceps macrocephalus (Waterston, 1914); Hopkins & Clay 1952: 313. Quadraceps assimilis macrocephalus (Waterston, 1914); Timmermann 1953: 179. Quadraceps assimilis macrocephalus (Waterston, 1914); Timmermann 1957: 60. Quadraceps assimilis macrocephalus (Waterston, 1914); Złotorzycka 1967: 710. Quadraceps assimilis macrocephalus (Waterston, 1914); Timmermann 1969a: 251, fig. 6a. Quadraceps macrocephalus (Waterston, 1914); Palma 1996: 212. Quadraceps macrocephalus (Waterston, 1914); Price et al. 2003: 225. Syntypes ♂ ♀ in SAMS (see Palma 1996: 212). Type host: Charadrius pecuarius Temminck, 1823. Chilean host: Charadrius falklandicus Latham, 1790. Other hosts: Charadrius alexandrinus Linnaeus, 1758; Charadrius alticola (Berlepsch & Stolzmann, 1902); Charadrius collaris Vieillot, 1818; Charadrius melodus Ord, 1824; Charadrius ruficapillus Temminck, 1821; Charadrius sanctaehelenae (Harting, 1873); Charadrius venustus Fischer & Reichenow, 1884; Charadrius wilsonia Ord, 1814. Chilean locality: Río Tres Brazos (Magallanes): Region XII. Geographic distribution: Africa; Australasia; Eurasia; North, Central and South America. Chilean reference: This catalogue. Other significant references: Timmermann (1953); Timmermann (1957); Złotorzycka (1967); Timmermann (1969a); Palma (1996); Price et al. (2003). Remarks: This is the first record of Quadraceps macrocephalus from Chile, based on one sample from Charadrius falklandicus held in NHML (Shchedrina et al. 2017).

Published as part of Gonza ́ Lez-Acun, Daniel A. & Palma, Ricardo L., 2021, An annotated catalogue of bird lice (Insecta: Phthiraptera) from Chile, pp. 1-151 in Zootaxa 5077 (1) on page 101, DOI: 10.11646/zootaxa.5077.1.1, http://zenodo.org/record/5766642