Geographic distribution of the hard ticks (Acari: Ixodida: Ixodidae) of the world by countries and territories Author Guglielmone, Alberto A. 0000-0001-5430-2889 guglielmone.alberto@inta.gob.ar Author Nava, Santiago 0000-0001-7791-4239 nava.santiago@inta.gob.ar Author Robbins, Richard G. 0000-0003-2443-5271 robbinsrg@si.edu text Zootaxa 2023 2023-03-07 5251 1 1 274 http://dx.doi.org/10.11646/zootaxa.5251.1.1 journal article 235222 10.11646/zootaxa.5251.1.1 43227427-a867-4744-9e4c-2b2302524890 1175-5326 7704190 3326BF76-A2FB-4244-BA4C-D0AF81F55637 180. Ixodes pararicinus Keirans & Clifford, 1985 in Keirans et al. (1985). Neotropical: 1) Argentina ( Saracho-Bottero et al. 2020 , Guglielmone et al. 2021 ). Guglielmone et al. (2003) included Argentina , Uruguay and Peru within the geographic distribution of Ixodes pararicinus , while Nava et al. (2017) , Guglielmone & Robbins (2018) , Acevedo-Gutiérrez et al. (2020) and Quintero et al. (2021a) added Colombia to the range of this tick. However, populations of Ixodes pararicinus from Uruguay were re-identified first as Ixodes aragaoi and later as Ixodes fuscipes ( Labruna et al. 2020b ) . Additionally, Saracho-Bottero et al. (2020) found that bona fide populations of Ixodes pararicinus are restricted to northwestern Argentina because populations of this tick from northeastern Argentina are Ixodes affinis or a species close to it. Therefore, the presence of Ixodes pararicinus in Colombia and Peru requires confirmation, and both countries are provisionally excluded from the range of this tick.