A mutation associated with resistance to synthetic pyrethroids is widespread in US populations of the tropical lineage of Rhipicephalus sanguineus s.l oleh Nathan E. Stone, Rebecca Ballard, Reanna M. Bourgeois, Grant L. Pemberton, Ryelan F. McDonough, Megan C. Ruby, Laura H. Backus, Andrés M. López-Pérez, Darrin Lemmer, Zane Koch, Maureen Brophy, Christopher D. Paddock, Gilbert J. Kersh, William L. Nicholson, Jason W. Sahl, Joseph D. Busch, Johanna S. Salzer, Janet E. Foley, David M. Wagner