Atlas of livestock parasites
digitized collection of microscopical preparations

Atlas of Parasites Contents Information sources Glossary Administration

Dermacentor spp. (cattle)

Category:


Species:
Ectoparasite


Description:
Untitled document

Dermacentor spp.
Rocky Mountain wood tick, American dog tick


General Description:
Ornate ticks having eyes and festoons. Hypostome and palpi are short.

Life Cycle:
Dermacentor species are three-host ticks. Survival of unfed stages is 21 to 117 days for larvae, 300 days or more for nymphs, and 413 days for adults.

Location:
Skin of the host.

Geographical Distribution:
Worldwide.

Significance:
Dermacentor ticks are a burden to infested animals. Diseases that are transmitted by the bites of these ticks include anaplasmosis, Rocky Mountain spotted fever, Q fever, and tularemia.

Effects on Host:
Bites cause tick worry which results in decreased consumption and less growth by the host. Iron deficiency anemia and weight loss may occur. Paralysis is seen with D. venustus in cattle.

Diagnostic Information:
Ticks are found on cattle.

Control:
Dipping of cattle.


Pictures:

No picture to show.

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