A new study led by researchers at Á½ÐÔÉ«ÎçÒ¹ University and Michigan State University finds that populations of lady beetles, important natural predators of crop pests, have declined substantially over the past three decades in a Midwestern agricultural landscape. The research, published in PNAS Nexus, analyzed 31 years of insect monitoring data collected at the Kellogg Biological Station Long-Term Ecological Research Site (KSB LTER) in southwestern Michigan. Across that period, the overall lady beetle community declined by 39 percent. Native species experienced the steepest losses, declining ...