Rhipicephalus sanguineus

Definition

Rhipicephalus sanguineus, commonly known as the brown dog tick, is a species of tick that primarily infests dogs but can also bite humans. It is a vector for several pathogens that cause bacterial infections in the circulatory and lymphatic systems.

5 Must Know Facts For Your Next Test

1. Rhipicephalus sanguineus is a primary vector for Rickettsia rickettsii, the causative agent of Rocky Mountain spotted fever.
2. This tick species can survive indoors, making it unique among ticks which are typically outdoor pests.
3. Transmission of pathogens by Rhipicephalus sanguineus occurs through its saliva during feeding.
4. Ehrlichia canis, responsible for canine ehrlichiosis, is another significant pathogen transmitted by this tick.
5. The life cycle of Rhipicephalus sanguineus includes egg, larva, nymph, and adult stages, each requiring a blood meal to progress to the next stage.

Review Questions

• What diseases are commonly transmitted by Rhipicephalus sanguineus?
• How does Rhipicephalus sanguineus differ from other tick species in terms of habitat?
• What are the life stages of Rhipicephalus sanguineus and what does each stage require?

Related terms

Rickettsia rickettsii:

A bacterium transmitted by ticks causing Rocky Mountain spotted fever.

Ehrlichia canis: A bacterium causing canine ehrlichiosis, transmitted by the brown dog tick.

Vector:

An organism that transmits pathogens between hosts without causing disease itself.