Extension entomologist suggests 2020 could have high grasshopper numbers
May 22, 2020
Landowners should be on the lookout for a high grasshopper year, said University of Wyoming Extension entomologist Scott Schell.
He said mid-May through June is the best time to check for grasshoppers hatching in large numbers to prevent them from causing extensive damage this spring.
“If you had lots of grasshoppers last year or already have them hatching this spring, then treating the grasshoppers early in the season before they become adults is the best way to reduce their numbers,” said Schell.
Schell suggests looking in areas that warmup first, like south-facing slopes or borrow ditch banks.
Grasshopper outbreaks are difficult to prevent when spring weather is favorable to their survival, and conditions that may have reduced grasshopper predators or pathogens are beyond the landowners’ control, explained Schell.
Good grazing management to reduce bare ground is one possible prevention method. Bare ground favors some pest grasshopper species, said Schell. Working with neighbors who have infestations is the best way to get comprehensive control.
Contact your local county weed and pest control district for treatment options, http://bit.ly/weedandpestoffices.
Source: University of Wyoming
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