. Brigham Young University science bulletin. Biology -- Periodicals. 28 Bricham Vounc UNivEHsm' Science Bulletin 5. Dorsal prolongation of spiracular plate narrow. Goblet cells in the neck of the prolongation smaller than tliose around the macula D. htuUeri (See figure 17) The principal host is the Desert Bighorn sheep. Mule deer in the range of the Desert Bighorn sheep also host this tiek. Two collee- tions have been taken from and several from mim. Distribution at present re- strieted to higher elevations. Desert Bighorn sheep range in mountain areas of New Mexico, Arizona, and s


. Brigham Young University science bulletin. Biology -- Periodicals. 28 Bricham Vounc UNivEHsm' Science Bulletin 5. Dorsal prolongation of spiracular plate narrow. Goblet cells in the neck of the prolongation smaller than tliose around the macula D. htuUeri (See figure 17) The principal host is the Desert Bighorn sheep. Mule deer in the range of the Desert Bighorn sheep also host this tiek. Two collee- tions have been taken from and several from mim. Distribution at present re- strieted to higher elevations. Desert Bighorn sheep range in mountain areas of New Mexico, Arizona, and southern Nevada. They may be found at lower elevations (2500-3500 feet above sea level) in migrating from one range to another. Specimens found on man and lago- morphs in southwestern Utah and southeastern Nevada were atx)ut 3000 feet above sea Dorsal prolongation of spiracular plate broad and short to absent. Goblet cells very large and constant in size with pores distinct. Goblet cells the largest of any species of Dcrmacentor in western U. S D. albipwliis (See figure 5) So far the only known single-liost Dcrmacentor tick in the western U. S. It is a common par- asite of deer and elk at higher elevations in the Great Basin states, and of larger vertebrates such as moose, horse, elk, antelope, Hocky Mountain sheep and deer in the northern tier of states in the western U. S. and in Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brigham Young University. Provo, Utah : Brigham Young University


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