1. Dermacentor albipictus (Packard, 1869). Nearctic: 1) Canada, 2) Mexico (north), 3) USA; Neotropical: 1) Guatemala, 2) Mexico (south) (Cooley 1938, Yunker et al. 1986, Instituto Interamericano de Cooperación para la Agricultura 1988, Guzmán Cornejo et al. 2016, Lindquist et al. 2016, Guglielmone et al. 2021). Several records of Dermacentor albipictus have been published under the name Dermacentor nigrolineatus, a synonym of Dermacentor albipictus (Guglielmone & Nava 2014), but a name treated as valid by Camicas et al. (1998). Records of Dermacentor albipictus on the Korean Peninsula listed in Kishida (1936, under the name Dermacentor variegatus) and Nepal (Chhetri & Shrestha 2011) are treated here as misidentifications. Dermacentor albipictus has been introduced into different countries outside the Americas (Guglielmone et al. 2014), but this tick has not become established outside the Nearctic and Neotropical Regions. Crosbie et al. (1998) published molecular evidence suggesting that more than one species may exist under the name Dermacentor albipictus, but Leo et al. (2010) found this evidence insufficient to support such an hypothesis. Even so, Montiel-Armendáriz et al. (2021) agreed with Crosbie et al. (1998).

Published as part of Guglielmone, Alberto A., Nava, Santiago & Robbins, Richard G., 2023, Geographic distribution of the hard ticks (Acari: Ixodida: Ixodidae) of the world by countries and territories, pp. 1-274 in Zootaxa 5251 (1) on page 69, DOI: 10.11646/zootaxa.5251.1.1, http://zenodo.org/record/7704190