What type of environment does Ixodes pacificus strongly favor over open, sunny fields?
Answer
Moist, shaded environments
The survival and thriving of *Ixodes pacificus* are highly dependent on specific microclimates characterized by moisture and shade. The tick strongly prefers habitats such as dense chaparral, coastal scrub, and various types of woodlands, provided these areas maintain high humidity. High humidity levels are vital for the survival of the tick, especially during its less-fed larval and nymphal stages. These conditions are frequently found at lower elevations closer to coastal areas. Consequently, the ticks are most often situated within leaf litter accumulation on the forest floor or low-growing brush, rather than exposed to direct sunlight, which can quickly lead to desiccation and death.

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