1. (AGW) Department of Plant and Environmental Sciences, Clemson University, Clemson SC 29634-0310, USA (e-mail: )
2. (DJF) Schiele Museum of Natural History, Gastonia, NC 28054, USA (e-mail: )
3. (SV-H) USDA, APHIS, PPQ, 200 N Mariposa Rd., B-500, Nogales, AZ 85621, USA (e-mail: )
4. (AJA) 2390 Lake Marie Dr., Santa Maria, CA 93455, USA (e-mail: )