Ticks in San Diego: Species, Risks, and Prevention

Yes, ticks are present in San Diego County. The most common species and their associated risks:

• Western Black-legged Tick (Ixodes pacificus): Primary vector of Lyme disease.
• Pacific Coast Tick (Dermacentor occidentalis): Can transmit Rocky Mountain spotted fever, tularemia.
• Brown Dog Tick (Rhipicephalus sanguineus): Mainly affects dogs; can carry ehrlichiosis.
• American Dog Tick (Dermacentor variabilis): Transmits Rocky Mountain spotted fever, tularemia.

Prevention Tips

• Wear long sleeves/pants; tuck pants into socks.
• Use EPA-registered repellent (DEET, picaridin, IR3535).
• Check body, children, and pets thoroughly after outdoor activity.
• Remove attached ticks promptly with fine-tipped tweezers.
• Seek medical attention if rash, fever, or flu-like symptoms develop within weeks of a bite.

Awareness and precautions reduce the risk of tick-borne illnesses.