Green Acres


January 27, 2021

As addressed in previous grasshopper articles, the chances of high grasshopper pest numbers in range and cropland is high for 2021. As you consider control methods like contact or systemic insecticides, please consider biological control as part of your Integrated Pest Management (IPM) plan.

The naturally occurring protozoan Nosema locustae such as Semasphore effects grasshopper populations. The organism is generally mixed with bait. A grasshopper becomes infected if it ingests the bait, infected vegetation or an already diseased grasshopper. A grasshopper population infected with this o...

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