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Damage (Codling moth)

Newly hatched larva (one per fruit) burrow through skin into the flesh and through to the core. The entry point is often at the calyx (smaller fruits) or on the cheek (larger fruits). The entry hole is prominent and red-ringed, characteristically blocked …

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Recognition (Codling moth)

Adult (resting) Length 8-11 mm, ash grey with characteristic coppery blotch at wing tip. Egg 1.3 x 1.0 mm, flat, oval and translucent. Found on foliage or fruits, mainly the latter when fruits are more mature. Larva Typical tortrix form with 5 pairs of …

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Monitoring (Codling moth)

Pheromone traps The flight activity of male moths should be monitored using sex pheromone traps. The delta trap design is used widely. Traps should be set out in orchards shortly after blossom (where the fruitlet mining tortrix is a problem locally, …

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Chemical control (Codling moth)

Although codling moth resistance to insecticides  is widespread in other countries, it has probably not yet developed in the UK.  Chemical control therefore remains the principal means of control in the UK because it is both cheap and effective. Control …

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Biological control (Codling moth)

Codling moth granulovirus Now that the codling moth granulovirus  is available and approved for use in the UK, it should be used wherever possible, bearing in mind the following limitations: It only controls codling moth and not tortrix moths, Blastobasis …

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Sex pheromone control (Codling moth)

There are three basic methods by which a pest’s sex pheromone can be exploited for control: Mating disruption where the pheromone is used alone to interfere with the normal attraction of males to females by providing false trails and/or sensory overload …

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Other non-chemical control methods (Codling moth)

Sterile insect release In Canada, codling moths are mass-reared, sterilised and released in an area-wide codling moth control programme. The sterile males mate with the wild females which lay infertile eggs. Insecticide sprays are not then needed for …

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Cultural control (Codling moth)

Many cultural control approaches require high labour inputs and are only likely to be appropriate where other effective control measures are not available. Old trees Old trees with rough, creviced bark provide numerous cocooning sites for larvae. Young …

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