Bee Swarm Lure (728631) Swarm lure convinces scout bee to make your swarm trap home Slow releases of a blend of pheromones makes your swarm trap irresistable Store in tightly sealed jar in refrigerator or freezer until ready to use Each lure packet lasts approximately 1 swarm season - attach with thumb tack or staple to trap lid Measures: 5.5" x 3.1"