1. USDA-ARS, Temperate Tree Fruit & Vegetable Research Unit, 5230 Konnowac Pass Road, Wapato, WA 98951, USA
2. Washington State University Extension, 1919 NE 78th Street, Vancouver, WA 98665, USA
3. Department of Biology, the University of Iowa, 434A Biology Building, Iowa City, IA 52242, USA
4. Washington State Department of Agriculture – Plant Protection Division, 21 North 1st Avenue, Suite 103, Yakima, WA 98902, USA
5. Department of Biological Sciences, Galvin Life Sciences Building, University of Notre Dame, Notre Dame, IN 46556, USA