Year Model years requiring a test. 2014 1990, 1992, 1994, 1997, 1999, 2001, 2003, 2005, 2007. 2015 1991, 1993, 1995, 1996, 1998, 2000, 2002, 2004, 2006, 2008. 2016 1992, 1994, 1997, 1999, 2001, 2003, 2005, 2007.
An important pest of livestock and horses throughout the western United States. In California, this tick is frequently found in the warm, dry regions of the central valley down to the southern portion of the state. Rarely, these ticks have been found on humans, dogs, cats, and sheep.
But puma populations are feeling the squeeze from the San Francisco Bay Area down to southern California. In the East Bay, primo puma habitats are surrounded by eight-lane freeways on one side and the vast, central California agricultural sprawl on the other.