Mechanisms and evolution of synchronous chorusing: emergent properties and adaptive functions in Neoconocephalus katydids (Orthoptera: Tettigoniidae)

Journal of Comparative Psychology
Michael D Greenfield, Johannes Schul

Abstract

Synchronous interactions arise in various animal species that rhythmically broadcast acoustic, vibratory, and visual signals. These interactions are characterized by a coincidence in both rate and phase of the rhythms of neighboring signalers. Theory predicts several ways in which synchronized rhythms may specifically benefit the interacting signalers. However, synchrony may also arise as an emergent property, a default phenomenon that is neither preferred by conspecific receivers evaluating the signals nor advantageous to the signalers themselves. Here, we examine several well-studied cases of acoustic synchrony in Neoconocephalus katydids (Orthoptera: Tettigoniidae), a New World genus wherein males broadcast loud advertisement songs. We report that call synchrony found in N. spiza and N. nebrascensis results from two rather different mechanisms of rhythm adjustment. Moreover, synchrony in the former species appears to represent an incidental byproduct of signal competition between evenly matched males, whereas in the latter species synchrony functions as a specific adaptation in which cooperating males ensure that critical call features can be perceived by females. We discuss the separate evolutionary trajectories that may ha...Continue Reading

Citations

Nov 5, 2008·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Joshua A Deily, Johannes Schul
Dec 7, 2013·PloS One·Daniel L BowlingW Tecumseh Fitch
Apr 8, 2010·The Journal of the Acoustical Society of America·Mary E BatesAndrea Megela Simmons
Jan 27, 2016·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Megan A MurphyJohannes Schul
Jan 7, 2016·Frontiers in Human Neuroscience·Simone Dalla BellaJakub Sowiński
Aug 14, 2009·Annals of the New York Academy of Sciences·Aniruddh D PatelIrena Schulz
May 5, 2009·Current Biology : CB·Aniruddh D PatelIrena Schulz
May 2, 2014·Frontiers in Physiology·Manfred Hartbauer, Heiner Römer
Feb 4, 2015·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Marisa HoescheleCarel ten Cate
Jun 13, 2015·Royal Society Open Science·M HartbauerH Römer
Sep 23, 2014·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Michael D Greenfield
Jun 16, 2016·Frontiers in Neuroscience·Manfred Hartbauer, Heiner Römer
Sep 28, 2016·Scientific Reports·Michael D GreenfieldVirginie Party
Oct 9, 2019·Proceedings. Biological Sciences·Henry D LegettXimena E Bernal
Jan 31, 2019·Current Zoology·Patricia Ruth Yvonne Backwell
Feb 9, 2019·Evolutionary Bioinformatics Online·Andrea Ravignani, Koen de Reus
Apr 1, 2021·The Journal of Experimental Biology·Vivek Nityananda, Rohini Balakrishnan
Aug 24, 2021·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Molly J HenrySonja A Kotz
Aug 24, 2021·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Michael D GreenfieldVivek Nityananda

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