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Marbled Orchard Tortrix – Hedya nubiferana

Available Products
1 mg Standard Lure
Dispenser Details
Natural Rubber Septum
Active Life
4-6 weeks (temperature dependent)
Pest Details
Adult
Wingspan of 17-21 mm. Forewings brown to dark grey basally and white with bluish-grey, brown or black strokes distally. An isolated black spot is present near the border of the light and dark parts. Hindwings are greybrown with a concolorous fringe. Head and thorax dark brown.
Larvae
Initially larvae are yellow in colour, before becoming greyish-green. Pinacula small and black. Head shining black and prothoracic plate black with a pale anterior
margin and pale medial groove. Anal plate blackishbrown and thoracic legs dark brown or black.
Eggs
Oval and flattened, finely reticulated. Translucent at first and becoming yellowish-white with age. Laid singly or in small batches of 2-4 eggs on the underside of leaves.
Distribution
Europe across to Asia minor and Siberia. Also introduced to North America.
Economic Host(s)
Apple (Malus), cherry, plum, apricot and almond (Prunus).
Symptons/Signs
Larvae attack opening buds and spin flower buds together to feed. Leaves are also bound together with silken threads.
Generations
1
Monitoring
Adults Present
June to July (climate dependent)
Recommended Trap Density
2 traps per hectare in large uniform orchards and 3-4 traps per hectare in small, mixed and less dense tree crops.
Trap Maintenance
Check traps on a regular basis; at least twice a week. It is recommended to replace the pheromone dispensers every 4 weeks to achieve optimum results. Replace the sticky inserts when they become saturated with dust or insects.
Storage
Keep product away from heat and direct sunlight. Store in a refrigerator for a shelf life of 12 months or a freezer for an extended life of 24 months. Always store sealed in original packaging.
Recommended Trap
View Trap

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