. Brigham Young University science bulletin. Biology -- Periodicals. IV large, posterior margin almost at the level of the anterior margin of the anal plate. External spur on coxa IV longer than wide. Coblct cells of med- ium size, pore visible and distinct, cells becoming smaller toward periphery' of spiracuiar plate and especially' the dorsal prolongation .. D. aiulcrsoni (See figure 9) Most common [Dcrmacentor) tick of larger vertebrates in the region ot its distribution which is ill the liigliir elev'ations of the (jreat Basin states; northern Arizona, northern New Mexico, western Co
. Brigham Young University science bulletin. Biology -- Periodicals. IV large, posterior margin almost at the level of the anterior margin of the anal plate. External spur on coxa IV longer than wide. Coblct cells of med- ium size, pore visible and distinct, cells becoming smaller toward periphery' of spiracuiar plate and especially' the dorsal prolongation .. D. aiulcrsoni (See figure 9) Most common [Dcrmacentor) tick of larger vertebrates in the region ot its distribution which is ill the liigliir elev'ations of the (jreat Basin states; northern Arizona, northern New Mexico, western Colorado, all of Utah, Nevada, northeastern California; and from the raoimtain and lowland areas of eastern Oregon, eastern Washington, Idaho, Wyoming, Montana and western Canada. In higher elevations of Creat Bxsin states it is the most common tick para- site of the porcupine. This is the common "Wood Tick" which as an adult attacks m;ui, many of his domestic animals, and larger native vertebrates. The next most abundant tick in the s;iine regions of distribution is Dcrmacentor 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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