1. Department of Entomology University of Illinois Urbana IL U.S.A.
2. Illinois Natural History Survey Prairie Research Institute University of Illinois Champaign IL U.S.A.
3. Department of Bioagricultural Sciences and Pest Management Colorado State University Fort Collins CO U.S.A.
4. Jon Lee Consulting Eureka CA U.S.A.
5. rdaquatics Environmental Services Hamilton MT U.S.A.