Green Acres


April 28, 2021

1. Why did we see high populations of grasshoppers in Montana in 2020? Favorable weather conditions have promoted grasshopper pest populations. In 2019, a cool wet spring delayed hatching which resulted in high percentage hatch survival rates. In addition, vegetation was highly productive in 2019 especially sweet clover. As a result, grasshopper populations grew without being noticed or managed.

2. Why should I be concerned in 2021? A dry summer in 2020 and an open fall promoted a high egg lay which will result in large hatches this spring. If a drought continues in Chouteau County, pop...

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