Codling Moth Traps Can Be Used Earlier In The Year (from May Onwards) To Catch & Monitor Male Codling Moths. This Helps Warn Of Caterpillar Attack Later In The Year & Reduces The Amount Of Fertilised Females, Leading To Fewer Caterpillars. the Trap Is Uniquely Designed Without Sticky Inserts & Requires Only One Pheromone Lure Per Season. The Codling Moth Trap, Which Covers 1/2 Acre Or 16-20 Trees, Can Be Re-used Each Year & Replacement Lures Are Available For Season After Season Use.codling Moth Trap Helps To Monitor Codling Moths Present In The Gardenhelps Reduce Numbers Of Male Codling Mothsgives An Early Warning Of Caterpillar Attacklong Last Pheromone Lure Lasts 1 Seasonreplacement Lure Available Separatelycodling Moths Attack Vegetables, Fruits, Salads & Ornamentals