In tree fruit pest management, most monitoring and mating disruption technologies are based on phero­mones that female insects release to attract males. For example, sex pheromones are used to lure male codling moths to traps or in order to mimic females and confuse the males to reduce their chances of finding females to mate with. But in some insects, such as the brown marmorated stinkbug, it works the other way around. Females are attracted to a pheromone released by the male. “That gives us the question: Why would a female risk moving around responding to chemical cues and burning up […]