1. Department of Entomology,
2. Department of Soil and Water, the Connecticut Agricultural Experiment Station, Post Office Box 1106, New Haven, CT 06504, USA.
3. Department of Epidemiology and Public Health, Yale University School of Medicine, New Haven, CT 06512, USA.
4. Department of Pathobiology, University of Connecticut, 61 North Eagleville Road, Storrs, CT 06269, USA.