ACKNOWLEDGEMENTS
We are grateful to the U.S. Department of Agriculture’s Wildlife Services personnel in Arizona, California, Colorado, Idaho, Illinois, Iowa, Kansas, Missouri, Nebraska, Nevada, New Hampshire, New Mexico, New York, North Carolina, Texas, Washington, and Wisconsin, who collected samples used here. Jennifer Walsh-Emond, Leonardo Campagna, Daniel Hooper, Jacob Berv, and Stepfanie Aguillon provided valuable advice on bioinformatic methods.