1. Department of Biology, University of Western Ontario, 1151 Richmond Street, London, ON, Canada N6A 3K7
2. Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON, Canada N5V 4T3
3. Department of Biology, Saint Mary’s University, 923 Robie Street, Halifax, NS, Canada B3H 3C3