1. Department of Entomology; Texas A&M University; TAMU 2475 College Station TX 77843 USA
2. USDA-ARS; US Meat Animal Research Center (USMARC); State Spur 18D Clay Center NE 68933 USA
3. USDA-ARS; Systematic Entomology Laboratory; Henry A. Wallace Beltsville Agricultural Research Center; Beltsville MD 20705 USA