A resource for reliable information about significant people, places, events, and things in Minnesota history.
Diagram of a grasshopper hatching. Published in University of Minnesota Extension Bulletin 194, revised June 1940.
Highway trucks delivering grasshopper poison to farmers, 1938.
WPA crew mixes grasshopper bait for distribution to farmers, State Highway Maintenance Shops at Hopkins, 1937.
WPA workers with grasshopper bait for distribution to farmers, 1937.
Rachel Carson, biologist, conservationist, and writer, ca. 1930s.
Grasshoppers waiting for the temperature to rise before moving into a corn field in Marshall, Minnesota, ca. 1930s.
Portion of a wall of a poorly kept flour mill with accumulations of flour webbed by a flour moth. U.S. Department of Agriculture, 1913.
Otto Lugger, University of Minnesota professor, author, and State Entomologist, ca. 1895.
An illustration of an adult female locust placing her eggs in soil, 1877.
Entomology professor Henry C. Chiang (left) inspects corn stalks for signs of corn borers with F. G. Holdaway and Jeanne Marie Hellberg, 1951. Image courtesy of the University of Minnesota Archives, University of Minnesota—Twin Cities.