Volume 31, Number 2—February 2025
Research Letter
Ixodes scapularis Tick Parasitizing Dog in Dawson County, Montana, USA, 2023
Figure 1

Figure 1. Partially engorged female Ixodes scapularis tick from Dawson County, Montana, USA, 2023. Tick was found on a dog, and key characteristics were used for identification. A) Dorsal view of capitulum showing shape of scutum and palp, basis capituli, and porose areas. Scale bar = 1 mm. B) Ventral view of capitulum showing shape and length of internal spurs on coxae I. Scale bar = 1 mm. C) Right lateral view of idiosoma showing spiracular plate. Scale bar = 1 mm. D) Enlargement of spiracular plate showing number and size of the goblet cells. Scale bar = 0.25 mm.