Historical and Cultural Society of Clay County
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Articles and Blogs

Grasshoppers in Clay County

10/8/2020

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Picture
Drought and grasshoppers, like those shown here, plagued farmers in the Red River Valley during the 1930s (OPI-WPA Photos, Library of Congress).

Grasshoppers in Clay County
Mark Peihl
October 8, 2020


* * * * * * * * * *

As in the rest of the area, outbreaks of the Rocky Mountain Locust devastated crops in Clay County between 1874 and 1876. Huge swarms of the pests swept through the area eating crops, grass, trees – even laundry hung on lines. Farmers tried burning, plowing, capturing and stomping the hoppers but nothing seemed to work. Eventually they disappeared as quickly as they had appeared. Ironically, the trillions of Rocky Mountain Locusts which caused so much damage are now extinct.
 
But five other hopper species have given local farmers fits. The hot, dry years of the 1930s proved perfect breeding environments for the bugs. Between 1932 and 1939 the hoppers caused millions of dollars in crop damage in Clay County.

Picture
Grasshoppers devastated Clay County fields in the 1930s, causing millions of dollars in crop losses. This photo shows the remains of a cornfield (OPI-WPA Photos, Library of Congress).

However, this time farmers had an effective weapon – poison. Workers mixed wheat bran, molasses and saw dust with water and sodium arsenate and spread it on fields just as the hoppers hatched. The insects ate the sweetened bran and died by the billions.

Picture
Farmers in Warren, Minnesota, mix grasshopper poison in the 1930s. Sodium arsenate, molasses, and wheat bran were mixed into troughs of saw dust for spreading on fields (Grasshoppers and Their Control, 1938).

The arsenic used was hazardous, causing respiratory problems, skin damage, and much worse. Unfortunately many farmers mixed and spread this grasshopper poison by hand, with little if any personal protection. Sodium arsenate was later outlawed for these purposes. In the 1980s the Minnesota Pollution Control Agency discovered 18,000 pounds of arsenic still stored on a half dozen Clay County farms. The poison was removed to a hazardous waste disposal site.

Picture
In the 1980s the Minnesota Pollution Control Agency discovered and disposed of thousands of pounds of arsenic-laced grasshopper poison still stored on Clay County farms, including the stockpile shown here (Clay County Extension Agent's Annual Report, 1938).
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  • Home
  • About Us
    • COVID-19 Resources
    • Mission
    • Hours and Location
    • Staff & Contacts
    • Board of Directors
    • Accessibility & Accommodations >
      • Site Map
    • Employment
    • Contracts
    • HCSCC Supporters
  • Visit Us
    • Accessibility & Accommodations
    • Events >
      • Pangea 2020
      • History On Tap!
      • Scandinavian Hjemkomst and Midwest Viking Festival
    • Exhibitions >
      • GAR in Clay County
      • Red River Girl
      • Roots of the Red River Valley
      • Ihdago Manipi
      • FMVA BIG Art Exhibition >
        • FMVA Big Art Exhibition Gallery
      • Atomic Alert
    • The Hjemkomst >
      • Be More Colorful VR Tour
    • The Hopperstad Stave Church
    • Comstock House >
      • About the Comstock House
      • Hours and Location
      • Rental Info
    • Bergquist Cabin
    • Viking Connection
    • Field Trips/Tours
  • Shop
    • Heritage Gift Shop
    • Event Tickets
    • Become a member
  • Join & Support
    • Join Today
    • Donate to HCSCC
    • Volunteer/Intern Opportunities
    • Felix Battles Monument
  • Research
    • covid19
    • HCSCC Blog
    • Clay County Archives & Research >
      • Holdings
      • Finding Aids
      • Maps >
        • Fire Insurance Maps
        • Plat Books
      • Digital Books
    • Photo Catalog
    • Newsletters
    • Digital Exhibits
    • HCSCC on MNopedia