The Apple Maggot Monitoring Trap Is Perfect For Tackling Both Apple And Pear Fruit Moth Damage. The Maggot Damage In Apples And Pears Is Mainly Caused By The Caterpillars Of The Codling Moth.females Tend To Lay Eggs On The Leaves And Fruit Which Hatch After Approx. 10-14 Days. The Caterpillars Then Bore Into The Fruit And Feed On The Fruit In Early Summer.male Moths Tend To Fly And Mate On Warm Nights, So The Trap Is Best Used From Mid-may To The End Of July. Each Monitoring Trap Covers Between Three To Five Trees, Luring The Male Moths. apple Maggot Monitoring Trap Complete With Hanger And One Lureeasy To Use, Simply Unfold The Sticky Insert And Place It In The Base Of The Trapwill Monitor Moths For Up To Five Average Size Trees Up To 12 Metres Apartadditional Refills Available Seperately Containing 2 Pheromone Luressuitable For Organic Gardening