Recognition of calls with exceptionally fast pulse rates: female phonotaxis in the genus Neoconocephalus (Orthoptera: Tettigoniidae)

The Journal of Experimental Biology
Joshua A Deily, J Schul

Abstract

Male Neoconocephalus robustus and Neoconocephalus bivocatus produce remarkably fast calls, with pulse rates of approximately 175-200 Hz. The temporal call patterns differ significantly between the two species. Male N. robustus produce calls with a single pulse rate of 200 Hz. In N. bivocatus, pulses are repeated with alternating periods, resulting in distinct pulse pairs: approximately 175 pulses s(-1) are grouped into 87 pulse pairs s(-1). In order to identify the temporal parameters used to recognize calls with such fast pulse rates, female call recognition in both species was tested during phonotaxis on a walking compensator. Female N. robustus were attracted to calls without amplitude modulation. Amplitude-modulated signals were equally attractive, as long as the silent intervals were short enough. The maximally tolerated interval duration varied with pulse duration. Female N. bivocatus did not require the paired-pulse pattern but were attracted to call models in which each pulse pair was merged into one long pulse. Females used the pulse rate to recognize such signals: pulse rates close to 87 Hz were attractive, largely independent of the duty cycle. Thus, females of the sibling species N. robustus and N. bivocatus used qu...Continue Reading

References

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May 16, 2002·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·A Franz, B Ronacher
Sep 28, 2002·Proceedings. Biological Sciences·Johannes Schul, Sarah L Bush
Jul 25, 2003·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·R M Hennig

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Citations

Nov 5, 2008·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Joshua A Deily, Johannes Schul
Sep 5, 2012·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·M M Rothbart, R M Hennig
Jan 17, 2013·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Gerald S Pollack, Jin Sung Kim
Feb 28, 2008·Proceedings. Biological Sciences·Oliver M Beckers, Johannes Schul
Jul 3, 2009·Journal of Neurophysiology·J D Triblehorn, J Schul
Aug 28, 2014·Frontiers in Physiology·R Matthias HennigJan Clemens
Sep 18, 2016·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Eileen GabelR Matthias Hennig
Apr 20, 2006·The Journal of Experimental Biology·Joshua A Deily, Johannes Schul
Feb 17, 2009·The Journal of Experimental Biology·Sarah L BushJohannes Schul

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