John Palumbo, meeting speaker and University of Arizona entomologist, conducts pest-insecticide field trials in winter vegetables at the Yuma Agricultural Center, Yuma, Ariz.
All grins at the Bayer CropScience meeting are Arizona pest control advisers, from left: Doyle Stewart, Fertizona, Buckeye; Mike Espil, Fertizona, Yuma; Mike Arbogast, Verde Agricultural Service, Buckeye; and Scott McKenna, Fertizona, Yuma.
California PCAs from left: Mike Ravalin, Helena, Oxnard; Jerry Beck, Simplot, Guadalupe; and George Brackeen, Brackeen Ag Consulting, Santa Maria.
This romaine lettuce heart has lettuce aphids inside. Photo by John Palumbo.