178. Ixodes pacificus Cooley & Kohls, 1943 .

Nearctic: 1) Canada, 2) Mexico (north), 3) USA (Keirans & Clifford 1978, Durden & Keirans 1996, Lindquist et al. 2016).

Doss et al. (1974b) listed Ixodes pacificus as present in French Guiana (Neotropical), but these authors misinterpreted the information in Floch et al. (1955), while Khattak et al. (2012) erroneously listed this tick as occurring in the Palearctic portion of Pakistan (Guglielmone et al. 2014).