1. Department of Entomology, Soils and Plant Science, Clemson University, Clemson, South Carolina, 29634-0365;
2. School of Rural Management, Charles Sturt University, Orange, New South Wales 2800, Australia;
3. Institute for Integrated Plant Protection, Federal Biological Research Center for Agriculture and Forestry (BBA), D-14532 Kleinmachnow, Germany;
4. National Center for Advanced Bio-Protection Technologies, Lincoln University, Canterbury, New Zealand;
5. Department of Entomology, Research Institute of Organic Agriculture (FiBL), CH-5070 Frick, Switzerland;