Farmer :For a long time I stop to use harmful insecticide at my farm.
Woman A :As a result all such fireflies are alive and well now, I know!
Woman A :How did you take measure against the vermins?
Farmer :The harmful insects were trapped with each sexual pheromones.....But!
Farmer :As a result of too much use of pheromones,some species of insects had evolved.
They began to communicate not by pheromones but by glimmers such as the fireflies...
Woman B :Possibly these illuminants are not fireflies !What?
