Control
Mormon crickets are preyed upon by a wide variety of birds and mammals. These predators include California Gulls, crows, coyotes and various rodents. They were also eaten by Native Americans. There are no predators that specialize on Mormon crickets, which may be explained by the cricket's migratory habits and large population fluctuations.
The most common chemical control method used is carbaryl (typically sold as "Sevin") bait. This bait kills both the Mormon crickets that eat the bait, and the crickets that eat crickets that eat the bait. Insecticides applied directly to crops may kill the insects, but due to the large size of swarms this method usually does not save the crop from being destroyed.
As Mormon crickets are flightless, physical barriers may be effective. Barriers should be at least two feet high and made of a smooth material. Recently, residents of some small towns have been effectively using boom boxes and sound systems playing hard rock music to divert the moving swarms away from crops and houses. Music seems to deter the insects, although it is unknown if the result is due to the music or the heavy vibrations.
Read more about this topic: Mormon Cricket
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