Technical specifications of funnel traps packing Each carton has 50 traps with complete components Trap components:  Transparent enclosure, yellow door, standard green cap, green pheromone basket, pheromone basket lid, hanging strap, installation guide The number of traps to track  1-2 traps per hectare Number of traps for mass tracking  30 to 40 traps per hectare using time  Before the onset of the first generation of target insects