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Fruit Tree Leaf Roller – Archips argyrospila

Available Products
1 mg Standard Lure
Dispenser Details
Natural Rubber Septum
Active Life
4-6 weeks (temperature dependent)
Pest Details
Adult
Forewing length of 6-10.2 mm in the male and 8.5-11.7 mm in the females. Forewings coloured a mix of redbrown, dark brown and tan. Most individuals have two triangular to semi-rectangular pale tan patches on the fore costa. Hind wings a grey colour. Females are generally paler than males.
Larvae
Final instars are 15-24 mm in length and translucent green to grey. The head is red-brown to dark brown and may be mottled. Prothoracic shield is amber with brown shading laterally. Prothoracic legs are brown to black
while other legs are pale.
Eggs
Laid in white masses on twigs and covered in a substance that hardens to give a smooth tough surface
Distribution
Native to North America, being found throughout the USA and southern Canada.
Economic Host(s)
A wide range of trees but most economically damaging to orchard fruit trees.
Symptons/Signs
Early larvae bore into buds to feed while later instars exit the buds to feed on leaves and fruit, sheltered in rolled leaves
Generations
1
Monitoring
Adults Present
May to July
Recommended Trap Density
1-2 traps per hectare in large uniform stands and 3- 5traps per hectare in less dense or heterogeneous 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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