The Obliquebanded Leafroller is a pest of orchard crops and many ornamentals. It is native to North America, but has been accidentally introduced into other parts of the world.
Description[edit | edit source]
Leafrolling Caterpillars are green with black heads, adults are small, light brown moths.
Symptoms and Signs[edit | edit source]
Rolled, tied and chewed leaves, minor feeding on fruits. Damage can be extensive on rosaceous plants.
Ecology[edit | edit source]
Host plants[edit | edit source]
- Dianthus (Carnation)
- Fragaria (Strawberry)
- Rhododendron (Rhododendron, Azalea)
- Syringa (Lilac)
Control[edit | edit source]
- Cultural controls: Avoid excess nitrogen fertilisation, to avoid overy fleshy growth.
- Trapping: Pheromone traps are used for monitoring in orchards.
- Pesticides: Resistant in many areas to Organophosates
- Predators and parasites: Wasps and flies
- Biocontrols (microscopic): Bacillus thuringensis
References[edit | edit source]
- Ontario Ministry of Agriculture, Food, and Rural Affairs
- W.T. Johnson & H.H. Lyon, et. al. (1978). Insects That Feed on Trees and Shrubs (Fifth Edition ed.). John Wiley & Sons, New York. pp. 216–217.