Image Number D689-7 |
Caption for July 2012 Agricultural Research magazine article, "Oxygenated Phosphine Fumigation for Pest Control on Harvested Fruits and Vegetables." Close-up of a lettuce aphid. This pest (about 1-3 millimeters long) appeared in California’s Salinas Valley in 1998 and is now found in all lettuce-production areas of that state and Arizona.
Caption for February 2007 Agricultural Research magazine article, "Putting the Crunch on Lettuce's Worst Enemies." Lettuce aphid, Nasonovia ribisnigri. This pest (about 1-3 millimeters long) of lettuce appeared in California’s Salinas Valley in 1998 and is now found in all lettuce-production areas of that state and Arizona.
Photo by Stephen Ausmus.