1. Institute for Plant Genomics and Biotechnology; Department of Horticultural Sciences; Texas A&M University; College Station TX 77843-2123 USA
2. Department of Biology; Texas A&M University; College Station TX 77843-3258 USA
3. Department of Soil and Crop Sciences; Texas A&M University; College Station TX 77843-2474 USA
4. Cattle Fever Tick Research Laboratory; USDA-ARS; Moore Air Base Building 6419 Edinburg TX 78541 USA
5. Biological Control and Containment Laboratory; University of Florida; 2199 South Rock Road Fort Pierce FL 34945-3138 USA
6. Department of Biology; University of Texas Pan American; 1201 West University Drive Edinburg TX 78539 USA