1. Mathematics Department, Hamline University, Saint Paul, MN 55104, USA
2. Department of Physics and Astronomy, Haverford College, Haverford, PA 19041, USA
3. Department of Mathematics, Harvey Mudd College, Claremont, CA 91711, USA
4. School of Life and Environmental Sciences, University of Sydney, Sydney, New South Wales 2006, Australia
5. Charles Perkins Centre, University of Sydney, Sydney, New South Wales 2006, Australia
6. Department of Entomology, Texas A&M University, College Station, TX 77843, USA
7. School of Agriculture, Food and Wine, University of Adelaide, Adelaide, Southern Australia 5005, Australia