1 Soil Management and Sugar Beet Research Unit, United States Department of Agriculture-Agricultural Research Service, Fort Collins, CO 80526.
2 Soil Management and Sugar Beet Research Unit, United States Department of Agriculture-Agricultural Research Service, Fort Collins, CO 80526; Jorge.Delgado@ars.usda.gov.
3 National Laboratory for Genetic Resources Preservation, United States Department of Agriculture-Agricultural Research Service, Fort Collins, CO 80521.
4 Center for Agricultural Resources Research, United States Department of Agriculture-Agricultural Research Service, Fort Collins, CO 80526.
5 Knipling-Bushland US Livestock Insects Research Laboratory, United States Department of Agriculture-Agricultural Research Service, Kerrville, TX 78028.
6 Veterinary Pest Genomics Center, United States Department of Agriculture-Agricultural Research Service, Kerrville, TX 78028.