Dr. Samuel Discua is a postdoctoral researcher at University of Arizona Yuma in the Department of Entomology, where he studies the ecology and management of insect pests associated with leafy greens and melons in Arizona cropping systems. Yuma and the rest of the state lead national lettuce crop production. His research currently focuses on the role of host plants in the transfer of insect-transmitted diseases in lettuce and melons. He also teaches a series of courses at University of Yuma on Agricultural Systems Management and Crop Production.