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Insect-controlled Robot: A Mobile Robot Platform to Evaluate the Odor-tracking Capability of an Insect

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Rhythm Generation and Rhythm Perception in Insects: The Evolution of Synchronous Choruses.

Manfred Hartbauer¹, Heiner Römer¹

¹Behavioural Ecology and Neurobiology, Institute of Zoology, University of Graz Graz, Austria.

Frontiers in Neuroscience

|June 16, 2016

Summary

Insect males synchronize their calls in choruses, a behavior with significant impacts on energetics, reproduction, and predation. This review explores the neural basis and evolutionary drivers of insect acoustic synchrony.

Keywords:

chorus synchrony cooperation female choice insect choruses pattern recognition rhythm generation

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Area of Science:

Animal Behavior
Bioacoustics
Neuroethology

Background:

Insect acoustic environments are often dominated by male calls conveying vital information.
Synchronized acoustic displays (choruses) are common, yet the evolutionary pressures driving them remain unclear.

Purpose of the Study:

To review current knowledge on the neural mechanisms of acoustic pattern generation and recognition in insects.
To explore proximate mechanisms and evolutionary hypotheses for insect chorus synchrony.

Main Methods:

Literature review of recent advances in insect bioacoustics and neuroethology.
Summarization of studies on chorus synchrony, including the tropical katydid Mecopoda elongata.

Main Results:

Understanding of neuronal networks for sound production and reception has advanced.
Proximate mechanisms for chorus synchrony are described, with hypotheses including sexual selection and predator avoidance.
In Mecopoda elongata, some males act as followers, reducing mating success.

Conclusions:

Chorus synchrony in insects is shaped by complex selective forces, including sexual selection and predation.
Further research is needed to fully elucidate the evolutionary pathways leading to synchronized acoustic displays.