Plum Moth Traps and Refills - Gardening Naturally - PM2

The major cause of maggot damage to plums and gages is the caterpillar of the plum fruit moth. Thi...

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This guide is for gardeners experiencing maggot damage in their plum and gage trees caused by the plum fruit moth. The Gardening Naturally Plum Moth Traps offer a simple, effective, and pesticide-free solution to significantly reduce fruit damage by disrupting the moth's life cycle. While highly effective at catching male moths, a caveat is that consistent monitoring and timely lure replacement are necessary for optimal results. This system utilizes pheromone technology to attract and trap male moths, preventing them from mating and thus reducing the population of egg-laying females.

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Model Part NumberPM2
BrandGardening Naturally

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FAQs

How does the plum moth trap work?

The trap uses a special pheromone lure that mimics the scent of a female plum moth. This attracts male moths into the trap, where they get stuck to a sticky insert, preventing them from mating with females.

When should I put the trap out?

The best time to install the trap is at the end of May or after the plum trees have finished flowering (petal drop). In warmer springs, you might need to put it out in mid-May.

How often do I need to replace the lure?

The pheromone lure should be replaced every 5 weeks to ensure it remains effective at attracting male moths.

Can I use this trap on other fruit trees?

This specific trap is designed for the plum fruit moth. While it might catch other insects incidentally, its effectiveness is targeted at plum moths. It is safe to use in orchards with other fruit trees as it does not use pesticides.

How many traps do I need?

One trap can effectively monitor and protect up to three average-sized plum or gage trees. If you have a larger orchard, you may need multiple traps.

Is this product safe for bees and other beneficial insects?

Yes, the trap uses only pheromones to attract specific moths and has a sticky surface. It is pesticide-free and therefore safe for bees, ladybugs, and other beneficial insects.

What is included in a refill kit?

A refill kit typically includes new sticky inserts and replacement pheromone lures to maintain the trap's effectiveness for another season or period.

Troubleshooting

No moths are being caught in the trap.

Ensure the pheromone lure is fresh and correctly placed within the trap. Verify that the trap is hung at the appropriate height and on the windward side of the tree. Check that the installation timing aligns with the plum moth's emergence period (late May/early June).

The sticky insert is full of moths.

This indicates the trap is working effectively. Replace the sticky insert with a fresh one to maintain trapping efficiency. Ensure a new pheromone lure is also in place if it's been over 5 weeks.

Visible maggot damage persists despite using the trap.

Confirm the trap was installed at the correct time and that the pheromone lure has been replaced every 5 weeks. For heavily infested areas or larger orchards, consider increasing the number of traps. The trap primarily reduces the population; some damage may still occur if the initial infestation pressure is very high.

Lure loses its scent quickly.

Ensure unused lures are stored correctly (refrigerated or frozen). Avoid touching the lure with bare hands, as skin oils can reduce its effectiveness. Ensure the trap is not placed in an area with excessive wind or direct, prolonged heat which can degrade the lure faster.

Pros and Cons

Pros

  • Effectively reduces plum moth population through natural attraction.
  • Pesticide-free formulation is safe for the environment and beneficial insects.
  • Simple to set up and maintain.
  • Provides a sustainable, long-term solution for fruit protection.
  • Helps prevent maggot damage by disrupting the breeding cycle.

Cons

  • Requires timely replacement of pheromone lures for continued effectiveness.
  • Initial setup needs to be timed correctly (late May or after petal drop).
  • One trap may cover up to three average-sized trees; larger orchards may need multiple units.
  • Primarily targets male moths, so complete eradication is unlikely.

Setup, Compatibility & Care

Setup:

  1. Timing: Install the trap at the end of May or immediately after petal drop from your plum and gage trees. If the spring is exceptionally warm, consider installation in mid-May.
  2. Placement: Hang the trap at approximately head height on the windward side of the tree or group of trees. One trap is typically sufficient for up to three average-sized trees.
  3. Lure Replacement: Replace the pheromone lure every 5 weeks to maintain its attractiveness.

Compatibility:

  • These traps are specifically designed for plum fruit moths and their associated damage.
  • They are compatible with all plum and gage tree varieties.
  • The pesticide-free nature ensures compatibility with organic gardening practices and safety for other fruit trees in proximity.

Care:

  • Sticky Inserts: Check the sticky inserts regularly. Replace them when they become full of moths or lose their tackiness. Replacement kits are available.
  • Lures: Store unused pheromone lures in a refrigerator or freezer to preserve their potency until needed.
  • Trap Body: The trap itself is durable. Clean the trap body with water if it becomes excessively dirty between seasons, ensuring it is completely dry before re-hanging.
  • Disposal: Dispose of trapped moths and used sticky inserts responsibly.