1. European Biological Control Laboratory, USDA-ARS, 34980 Montferrier-sur-Lez, France
2. Cattle Fever Tick Research Laboratory, USDA-ARS, Edinburg, TX 78541, USA
3. Biotechnology and Biological Control Agency (BBCA) Onlus, 00123 Rome, Italy
4. Department of Biology and School of Earth, Environment and Marine Sciences, The University of Texas-Rio Grande Valley, Edinburg, TX 78539, USA