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Omnivorous Leaf Tier – Cnephasia longana

Available Products
1 mg Standard Lure
Dispenser Details
Natural Rubber Septum
Active Life
4-6 weeks (temperature dependent)
Pest Details
Adult
Forewing length of 7.5-10.8 mm. Males are uniformly white to yellowish-brown while females are variably marked with light to dark brown. Forewings are narrow and elongate.
Larvae
Late instar larvae are greenish brown or yellowish green with pale lateral lines and 14-18 mm in length. Head is pale brown with dark brown margins and the prothoracic
shield is the same colour as abdomen.
Eggs
Laid singly or in small batches in depressions or cracks in the bark of trees and covered by debris.
Distribution
Europe, North America and North Africa.
Economic Host(s)
Cultivated flowers, strawberries and cereals.
Symptons/Signs
First instars mine leaves forming irregular blotch like mines. Later instars feed within the shelter of spun leaves or capped flowers on shoots, buds and flowers. Larvae may also bore into fruit to feed.
Generations
Typically 1
Monitoring
Adults Present
July to August (Europe), March to July (N. America)
Recommended Trap Density
1-2 traps per hectare for large uniform crops and 3-4 traps per hectare in mixed and less dense crop 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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