Robert L. Stoltz, Craig R. Baird, Larry E. Sandvol, Hugh W. Homan

Robert L. Stoltz, Craig R. Baird, and Larry E. Sandvol are extension entomologists at the University of Idaho. Hugh W. Homan is extension entomologist emeritus. Stoltz is located at the Twin Falls Research & Extension Center, Baird at the Parma Research & Extension Center, and Sandvol at the Aberdeen Research & Extension Center. All are in the University of Idaho Department of Plant, Soil, and Entomological Sciences.

Acknowledgments

Most of the insect drawings in these keys were rendered by Lynne A. Johnson, a University of Idaho graduate (MAT 1984) who worked with scientists in the Department of Plant, Soil and Entomological Sciences (PSES) while a student here. The Russian wheat aphid photograph is from a slide loaned by Dr. Frank B. Peairs, Colorado State University; figures of Russian wheat aphid cornicles are from T. J. Weissling at CSU. Other color plates in the publication are from the Ken Gray collection and from slides in PSES departmental files.

Copyright © 1999 University of Idaho. All rights reserved.

Issued in furtherance of cooperative extension work in agriculture and home economics, Acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture, LeRoy D. Luft, Director of Cooperative Extension System, University of Idaho, Moscow, Idaho 83844. The University of Idaho provides equal opportunity in education and employment on the basis of race, color, religion, national origin, gender, age, disability, or status as a Vietnam-era veteran, as required by state and federal laws.