1. United States Department of Agriculture, Natural Resource Conservation Service, Malcom, IA 50157, U.S.A., beth.brand@usda.gov
2. Department of Biological Sciences, Western Illinois University, Macomb, IL 61455, U.S.A.
3. Invertebrate Identification, 481a Great Western Highway, Faulconbridge, NSW 2776, AUSTRALIA.
4. Department of Biology and Chemistry, Morehead State University, Morehead, KY 40351, U.S.A.