Researchers in Yuma are monitoring the diamondback moth, a pest that attacks broccoli, cabbage, cauliflower and other related crops. There is no confirmed surge right now, but Arizona has experienced damaging outbreaks before, including one that affected thousands of acres of crops. The moth’s larvae chew holes through the plants and can damage their quality enough that growers struggle to sell the harvest. The bigger concern is insecticide resistance: University of Arizona researchers say some resistant populations have reached Arizona’s growing regions, making the pest harder and more expensive to control. That matters far beyond Yuma. The Arizona Department of Agriculture says the region supplies around 90% of the nation’s leafy greens during winter, while also growing vegetables shipped throughout the country. Did you know Arizona played such a major role in America’s winter food supply? Send us your stories to be featured on the page. Via University of Arizona Cooperative ...