Tortrix viridana Delta Paper Trap kit is suitable for trapping and monitoring European oak leafroller, in a cost-effective and environmentally friendly way, allowing users to assess risks to crop and need for supplementary pest management actions. 
This kit includes Delta Paper trap (made out of biodegradable cardboard), wire hangers and Tortrix viridana lure. 
Replacement lures can be bought separately. 
The lures in the traps must be replaced every 4-6 weeks to keep attraction rates high.