Fig. 1From: Contributions to the phylogeny of Ixodes (Pholeoixodes) canisuga, I. (Ph.) kaiseri, I. (Ph.) hexagonus and a simple pictorial key for the identification of their femalesKey features of Ixodes rugicollis females. a Original drawing of the gnathosoma by Schulze & Schlottke [23]). b-d Female syntype (USNTC): b scutum with “rugose” (wrinkled) surface, and basis capituli; c basis capituli, dorsal surface, enlarged; d basis capituli, ventral aspect. Numbered arrows indicate (in the order of presentation in the key): (1) pronounced, pointed frontal bump near the hypostome basis; (2) “stalked” palp; (3) curved (convex) lateral edge of palp; (4) broad space between inconspicuous, small porose areasBack to article page