Pheromone Monitoring Lure for Tortrix viridana, European Oak Leaf Roller

Directions for Use

The Delta Trap is recommended for this insect. Trapping is from late May to August. The exact time of insect emergence will vary with location and seasonal variation. Traps should be placed at head height within the tree canopy and located centrally within the experimental area being monitored with at least 50m between each trap. One trap should be sufficient to monitor up to 3 hectares of a uniform orchard. In the case of irregular areas 1 trap per hectare is recommended. A minimum of two traps should be used regardless of the field size. Lures should be changed every 6‐8 weeks or earlier. The sticky inserts should normally be changed when the lures are changed. In situations where high insect catches or dusty conditions have led to the deterioration of the glue surface the inserts should be changed. It is recommended that at each reading the trapped insects and any other debris be removed and the glue stirred. Catches should be recorded weekly in low populations but more frequently in orchards with high populations. The traps may also catch a number of non target tortricid species but none have the characteristic green colour of Tortrix viridana. To avoid affecting the efficiency of the trapping system it is strongly recommended that traps be used for only the one species. Never use the lures for other species in this trap.

Storage Instructions

This product is sealed in impermeable packaging for storage and shipping. Keep product away from direct sunlight, heat, sparks and open flame. The dispensers and systems should be kept under good storage conditions at below 15°C when the dispensers will retain their activity and attraction for a minimum of 18 months. Bulk storage of dispensers for periods of up to 24 months is possible by refrigeration at temperatures of 4°C or below. Keep dispensers inside their sealed packaging until use. When replaced, the old dispensershould be completely removed from the area of use and destroyed to prevent interference with the fresh replacement/ recharge dispenser.