RSS feed source: National Science Foundation
A new study by U.S. National Science Foundation-funded researchers on how members of the animal world sense and react to sounds provides insight into adaptations in communication that could be used in the development of adaptable hearing aids or limiting the impact of agricultural pests.
“By increasing our understanding of how animals perceive and respond to sounds — especially when those sounds are changing — this research could aid in developing hearing aids that automatically tune as a person walks from a movie theater to a crowded restaurant or other adaptive hearing and acoustics devices,” said Jodie Jawor, a program director in the NSF Directorate for Biological Sciences. “It also highlights how agricultural pests can move into an area and capitalize on a new host, harming society in the process — think about a parasite of honeybees that hurts their populations and our food supply.”
The study focused on the interactions between a species of fly (Ormia ochracea) and Pacific crickets, which are engaged in a sort of sound arms race. The fly can hear the mating chirps of the male cricket and uses the sounds to locate the male, in which the fly lays its eggs. The fly larvae feed on and develop inside of their cricket hosts, eventually killing them when they emerge. Some crickets in Hawaii have responded to this threat
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