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Apple Leaf Roller – Archips xylosteana

Available Products
1 mg Standard Lure
Dispenser Details
Natural Rubber Septum
Active Life
4-6 weeks (temperature dependent)
Pest Details
Adult
Wingspan of 15-21 mm in the male and 16-23 mm in the female. Forewings whitish ochreous with red-brown variegated markings. Hind wings greyish to greyish brown.
Larvae
Length up to 22 mm. Body whitish grey, grey or dark bluish grey with black pinacula. Head shiny black and prothoracic plate black to dark brown with a whitish midline and collar.
Eggs
Eggs are cylindrical laid in shingle like clusters and covered with a brownish purple secretion for camouflage. Laid on bark of the trunk and branches.
Distribution
Native to most of Europe, central and eastern Asia, Japan, China and northern Africa.
Economic Host(s)
A range of tree and shrub hosts including plum (Prunus), apple (Malus) and pear (Pyrus)
Symptons/Signs
Early larval instars feed on buds and the underside of leaves while later instars feed on leaves flowers and young fruit. Feeding usually occurs within a rolled leaf.
Generations
1
Monitoring
Adults Present
June-July (climate dependant)
Recommended Trap Density
1-2 traps per hectare in large uniform stands and 3- 4traps per hectare in scattered, less dense stands.
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, if used, when they become filled with dust or insects.
Storage
Keep product away from direct sunlight, heat, sparks and open flame. Store in a refrigerator for a shelf life of 18 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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