Rhynchophorus ferrugineus (Red Palm Weevil) pheromone are specialized aggregation lures designed for monitoring and mass trapping to protect palm trees.
These lures, often using 4-Methyl-5-Nonanol and 4-Methyl-5-Nonanone, attract both male and female weevils,typically lasting 90–120 days, and are used with wet or dry traps
Active Ingredients:
Often a blend of \(4-Methyl-5-Nonanol\) (\(90\%\)) and \(4-Methyl-5-Nonanone\) (\(10\%\)) which mimics the natural aggregation scent.
Targeted Species: Specifically attracts Rhynchophorus ferrugineus (Red Palm Weevil) in coconut, date, and oil palm plantations.
Duration/Life Span: Lures typically last for 90 to 120 days (approx. 12–16 weeks).
Dispenser Type: Commonly packaged in slow-release liquid, wood blocks, or wax-filled dispensers.
Usage: Used in combination with pitfall traps placed near palm trees.
Storage: Should be stored in refrigerators or freezers (\(4^{\circ}C\) to \(-18^{\circ}C\)) to maintain efficacy, with a shelf life of up to 2 years
Operational Guidelines:
- Placement: Place traps in the shade, typically on the ground or hung at a low level.
- Seasonality: Effective for use throughout the year, especially during active periods.
- Maintenance: Fill traps with water (wet traps) and replenish pheromones after 90–120 days
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