Systematics and ecology of the subgenus Ixodiopsis (Acari: Ixodidae: Ixodes)

apices to posterior Apodemus Basis capituli dorsally Bishopp capituli dorsally Fig Capitulum Capitulum Fig carinae cervical grooves cheliceral Cooley & Kohls County coxae Coxae I-IV dental formula dental formula 3/3 denticles dorsal view eastoni ex Clethrionomys gapperi ex nest ex Ochotona princeps ex Peromyscus maniculatus ex Sorex sp ex squirrel extension of basis faint female Gregson female RML Filippova Holotype hosts Hypostome Ixodes Ixodes angustus Ixodidae Ixodiopsis Keirans & Clifford larvae Gregson larvae RML Legs Fig Length from palpal Length from scapular length of toothed M.L. Johnson male RML mammals median extension Merriam Microtus Neotoma cinerea nymph RML nymphs Gregson Ochotona princeps pairs Palearctic palpal apices Palpal segment Palpi parasite pomerantzevi posterior body margin posterolateral punctations rufocanus scapulae scapular apices Scutum Scutum Fig segment I ventrally setae setae as illustrated soricis species stromi Tamiasciurus douglasii ticks toothed portion townsendii triangular external triangular internal spur ventral view ventrally woodi