The capsule imitating the Kairomone of the host plant is placed in a trap to attract insects (male and female) harmful to apples cydia pomonella. The insects detect it, and believe they are reaching the plant. The insects enter the trap and are captured. Detection and control of the population, acts for 4 to 6 weeks. The capsules are to be placed in the mixed trap (sold separately). Treatment period: from April to August.