On top of a worsening drought and rising temperatures, farmers across the Western third of the United States are battling outbreaks of cannibalistic insects that are ravaging crops from Nevada to Montana. Officials have spent millions of dollars over the past few years trying to control the explosive swarms of Mormon crickets that are responsible for destroying swatches of crops from Nevada to Montana. Native to North America, Mormon crickets got their name in the 1800s when these giant insects ruined the fields of Mormon settlers. These insects are not true crickets; they are actually shield-backed, short-winged katydids that resemble...