When the male spots his mate, he will fly closer and closer and release the chemical substance called pheromones.
When they enter the tube, the termites release hormones, called pheromones, which attract more termites.
Different chemical scents called pheromones enable the workers to distinguish between those eggs laid by workers and those of the queen.
Scientists and perfume marketers who believe that humans, like other mammals, respond sexually to chemical signals called pheromones were cheered by the news.
Insects (bees included) use many chemicals called pheromones to "talk" to each other.
People, as well as animals, secrete substances called pheromones which are responsible for their own individual body scent.
They did so by body positions, tail switches, whisker twitches, and spot smells the human folk called pheromones.
I would call them pheromones, except they are internal to the star-jellies.
But the most pervasive and important mechanism is based on chemical substances called pheromones.
I thinfy Sam would call them pheromones, Olancy said.