droopyyoupi , borréliose de lyme : "Tick species in San Diego County also survive all year long, and their populations are increasing. Several species of ticks peak throughout the year, ensuring high levels of ticks every month. Ticks spread numerous bacterial and parasitic diseases."

"Tick species in San Diego County also survive all year long, and their populations are increasing. Several species of ticks peak throughout the year, ensuring high levels of ticks every month. Ticks spread numerous bacterial and parasitic diseases."

http://www.utsandiego.com/news/2013/sep/26/san-diego-year-round-fleas-ticks/