Pherodis
with an insect trap, the type of trap depends on the species to be monitored. The species-specific sex pheromone lures males of the target pest into the trap [...] reducing the number of eggs laid by females as they fail to mate. For some pests, Pherodis dispensers contain lures which attract both sexes of the target species [...] few days following the installation of a new capsule higher numbers may be caught due to a temporarily higher release of the pheromone from the new capsule