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 17. Demacentor kamshadalus Neumann, 1908c . Nearctic: 1) Canada , 2) USA ; Palearctic: 1) Russia (Apanaskevich 2013a). Dermacentor kamshadalus was reinstated by Apanaskevich (2013), but Lindquist et al. (2016) and Schachat et al. (2018) treat this name as a synonym of Dermacentor albipictus , although Apanaskevich & Barker (2021) continue to strongly support the validity of Dermacentor kamshadalus . Tsapko (2020) suggested that the specimen of Dermacentor kamshadalus found in Russia is not part of an established population of this species.