1. USDA-ARS European Biological Control Laboratory; Campus International de Baillarguet; CS90013 Montferrier sur Lez; St. Gely du Fesc Cedex 34988 France
2. Arid-Land Agricultural Research Center; USDA-ARS; Maricopa AZ 85138 USA
3. Great Basin Rangelands Research Unit; USDA-ARS; 920 Valley Rd. Reno NV 89512 USA