The contribution of the following individuals to this publication and our understanding of the soybean aphid are greatly appreciated and acknowledged.
Brian Lang, Palle Pederson, Carol Pilcher, and Allison Robertson (Iowa State University), David Ragsdale, Ken Ostlie, Erin Hodgson and Rob Venette (University of Minnesota), and David Voegtlin (Illinois Hantual History Survey).
The speed scouting chart was developed by entomologists at the University of Minnesota.
Marlin E. Rice is a Professor with Extension and research responsibilities in the Department of Entomology. Matt O'Neal is an Assistant Professor with research and teaching responsibilities in the Department of Entomology.
Photographs © Marlin E. Rice.
We gratefully acknowledge the Iowa Soybean Association and the soybean checkoff for their financial assistance.
Copyright ©2008, Iowa State University of Science and Technology, Iowa Soybean Association. All Rights Reserved.
The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, gender, religion, age, disability, political beliefs, sexual orientation, and marital or family status. (not all prohibited bases aply to all programs.) Many materials can be made available in alternative formats for ADA clients. To file acomplaint of discrimination, write USDA, Office of Civil Rights, Room 325-W, Whitten Building, 14th and Independence Avenue, SW, Washington, DC 20250-9410 or call 202-720-5964.
Issued in furtherance of Cooperative Extension work, Acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Jack. M. Payne, director of Cooperative Extension Service, Iowa State University of Science and Technology, Ames, Iowa.
