Researchers are suggesting growers use two traps when monitoring for navel orangeworm. Using the classic egg traps alone has its limitations.
NOW Traps Allow Longer Monitoring
Pistachio growers are seeing more use of a newer pheromone trap for navel orangeworm. Cooperative Extension Farm Advisor David Haviland suggest growers don’t replace the old egg traps, but use both of the traps at different points in the season.