There are more than 1,300 species of stinkbugs alive today, but only some of them actually stink, while a vast amount possess smell pheromones that are pleasing to the human senses.

Credits: Getty Images; Author: Toshifumi Kitamura;

The student researchers hope their findings will lead to both a better image of the bugs and a practical use for them if they continue to be found in large numbers in Japan.