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Innovative Pheromone Trap Designs for Effective Pest Management in Stored Products

Explore the evolution of pheromone traps from the 1950s to modern pest management devices. This overview discusses 45 different designs, comparing conventional traps with innovative shapes, sizes, and materials. Discover the significance of trap design and location on the capture rates of Plodia interpunctella (Indian Meal Moth). Recent studies demonstrate how different traps and pheromone lures affect moth captures, highlighting a notable 72% rate for males caught without lures. With patents secured in early 2003, our methods aim to enhance pest monitoring efficiency.

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Innovative Pheromone Trap Designs for Effective Pest Management in Stored Products

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  1. Pheromones characterized (1950’s) Pest management devices Pheromones traps Pest monitoring devices

  2. 45 Different designs • Conventional market traps vs. new designs • Our new designs are playing around with: • different shaped traps • different size traps • different materials used to make a trap • Provisional patent: February- 2002 • Formal patent: January- 2003

  3. Anecdotal information • Current market traps- 10-25% • Trap design? • Sticky substance? • Pheromone lure? • Location?

  4. Influence of trap design and location on the capture of Plodia interpunctella (Indian Meal moth) (Lepidoptera: Pyralidae) in a release-recapture study J. stored Prod. Res. 34(1):33-36 (Mullen et al., 1998) • Mass trapping (36 traps in a warehouse) • No indication of how a single trap performs • Five different traps were used • Location was a factor in trap catch • ~72% of the males captured

  5. Over half the moths caught without a pheromone lure

  6. Difference = 16.4 percentage points

  7. Difference = 27 percentage points

  8. Forelegs make first contact rotation

  9. 90% caught in a trap 10% escape X Survive to reproduce

  10. 90% caught in a trap 10% escape

  11. Healthy moths trapped Generally unfit Unfit progeny

  12. Healthy moths trapped 10% escape Semi-Healthy moths trapped

  13. Experimental chamber “Hanging” trap “Floor” trap 20%

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