| Table 4-18 Select Tick Diseases |
| | Tick | | Disease | | Appearance of Tick | | Female Male |
| | Dermacentor variabilis (American dog tick)
Dermacentor andersonii
(Wood tick) | | Rocky Mountain Spotted Fever (RMSF) | | Female: reddishbrown with whitish markings on upper body (scutum)
Male: whitish markings on entire back | | |
| | Ambylomma americannum (Lone star tick) | | Ehrlichiosis Lyme Disease
RMSF | | Female: characteristic dorsal white spot
Male: scattered spots/ streaks around perimeter of body | | |
| | Ixodes scapularis (formerly Dammini) (Black legged or deer tick)
Ixodes pacificus (Western black legged) | | Lyme Disease
Babesiosis
Ehrlichiosis
(human granulocytic) | | Female: reddish body, dark brown shield (scutum)
Male: smaller and completely dark brown | | |
| Tick images courtesy of Entomology & Plant Pathology, Oklahoma State University |
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