XENOPHOBIA. : fear and hatred of strangers or foreigners or of anything that is strange or foreign.
You can bet when the white-collar liberal protagonists in my novel move their new business venture, Viridian Organic Farms, to the GMO and feedlot beef country of eastern Colorado - sparks are going to fly. But will it cause murder? When there are guns, the likelihood increases, according to this opinion in the LA Times.
Just for fun, here's a comprehensive phobia list.