Increased use of mating disruption for control of the navel orangeworm in California necessitates development of practical non-pheromonal lures for this pests. An intial study for most of the 2017 growing season compared navel orangeworm traps baited with either phenyl propionate (PPO) or an attractive synthetic five- component kairomone blend (kairomone blend), evaluated alone and combined with a pheromone lure in both almond and pistachio orchards that were either under navel orangeworm mating disruption treatments or in the vicinity of mating disruption. Under all tested conditions, traps baited with PPO alone and in combination with the pheromone lure (PPO-combo) captured more navel orangeworm adults than the kairomone blend alone, or, in three of the four sites, the kairomone blend with a pheromone lure (blend-combo). In 2018, a subsequent experiment comparing PPO-combo in wing and delta traps found poorer performance in delta traps, and a non-signficant improvement when openings were cut in the side if the delta traps. These findings are being used to guide the development of practical trapping systems for commercial availability to the industry.

Traps and attractants for monitoring for <i>Amyelois transitella</i> in the presence of mating disruption

2019 Fall National Meeting

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Traps and attractants for monitoring for Amyelois transitella in the presence of mating disruption