173. Ixodes pacificus Cooley and Kohls, 1943 .

A Nearctic species, all of whose parasitic stages are usually found on Mammalia (several orders), but they have also been found on Galliformes: Phasianidae, Passeriformes: Passerellidae and Troglodytidae, and Squamata: Anguidae and Phrynosomatidae (adults are rare on Aves and Squamata). Larvae and nymphs are also commonly recovered from Passeriformes (several families), and Squamata (several families). Ixodes pacificus is a frequent parasite of humans.

M: Cooley and Kohls (1943); see note below

F: Cooley and Kohls (1943); see note below

N: Cooley and Kohls (1943); see note below

L: Allred et al. (1960)

Redescriptions

M: Cooley and Kohls (1945), Gregson (1956), Keirans and Clifford (1978), Furman and Loomis (1984), Lindquist et al. (2016)

F: Cooley and Kohls (1945), Gregson (1956), Keirans and Clifford (1978), Furman and Loomis (1984), Lindquist et al. (2016)

N: Cooley and Kohls (1945), Gregson (1956), Furman and Loomis (1984), Durden and Keirans (1996), Lindquist et al. (2016)

L: Sénevet and Ripert (1967a), Snow and Arthur (1970), Furman and Loomis (1984), Webb et al. (1990), Kleinjan and Lane (2008), Coley (2015), Lindquist et al. (2016)

Note: figure 2 in Cooley and Kohls (1943) depicts the female of Ixodes pacificus, but the legend is for figures of the male and nymph of this species; the opposite is true of figure 3 in the same paper.