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About Traps, Lures & BarriersPHEROMONE TRAPS Pheromone traps are used to monitor and/or disrupt the mating activity of certain pest insects. A pheromone is a non-toxic species-specific scent produced by the female insect to attract the male. This scent has been laboratory duplicated for particular insects and concentrated in time-release "lures" which attract the male to a sticky glue trap. Lures and traps are purchased separately or in trap kits and arrive with full instructions for assembly and use. Three different-shaped traps, Delta, Intercept Aand Wing, are available in bulk and each is recommended for use with particular lures, as specified. IMPORTANT NOTE: If you purchase extra lures, store them in freezer until needed. Pheromone Confusion Lures Highly effective, confusion lures use pheromones to flood the orchard with female scent, preventing the male from locating a female and mating. Traps are only needed for monitoring. Trapping Out Pheromone glue traps are used by orchardists, grain merchants and home gardeners to "trap out" male insects thus preventing mating and reducing the egg-laying capacity of the female. Trapping out has proven useful for Codling Moth*, Oriental Fruit Moth*, Peach Twig Borer, Grain Moths (especially in storage areas) and others. Use 1-2 traps per tree in the home orchard. Commercial growers, please ask about volume discounts. For mass-trapping in grain storage areas, use 1-3 or more traps per 3,000 cu ft. *See Confusion Lures. Monitoring Pheromone traps are most often used commercially to monitor and anticipate the mating activity of insects. By counting the insects trapped over a given period and using data provided about the pest insect's cycles, you can determine the best time to release beneficial insects or apply protective sprays. For monitoring use 1-3 traps per orchard. To monitor grain moths, use 1 trap/30,000 cu ft of storage area. STICKY INSECT TRAPS Many insects (including beneficial insects) are attracted to the color yellow and organic growers have been using sticky yellow traps for years in orchards, row crops, vines and greenhouses for pest control. In low-dust environments, these traps are documented to be effective for monitoring or trapping out leafhoppers, whiteflies, aphids, fruit flies, leafminers, flea beetles, fungus gnats, cucumber beetles, etc. As these traps also attract beneficial insects, it is recommended to use them wisely. Blue sticky traps are used for thrips. The traps come in the form of cards or tape. All have a brightly colored surface, coated on both sides with special non-drying sticky glue. You can make your own traps or "renew" commercial traps using the glue products listed in this section. Back to Reference Library Index
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