@article {53507,
	title = {Synchronous, Alternating, and Phase-Locked Stridulation by a Tropical Katydid},
	journal = {Science},
	volume = {249},
	year = {1990},
	month = {Jun-07-1990},
	pages = {55 - 58},
	abstract = {<p>In the field the chirps of neighboring Mecopoda sp. (Orthoptera, Tettigoniidae, and Mecopodinae)malesarenormallysynchronized,butbetweenmoredistantindividuals the chirps are either synchronous or regularly alternating. The phase response to single-stimulus chirps depends on both the phase and the intensity of the stimulus. IterationofthePoincaremapofthephaseresponsepredictsavarietyofphase-locked synchronizationregimes,incudingperiod-doublingbifurcations,incloseagreement with experimental observations. The versatile acoustic behavior of Mecopoda encom- passesmostofthephenomenafoundinothersynchronizinginsectsandthusprovides ageneralmodelofinsectsynchronizationbehavio</p>
},
	issn = {0036-8075},
	doi = {10.1126/science.249.4964.55},
	url = {http://www.sciencemag.org/cgi/doi/10.1126/science.249.4964.55https://syndication.highwire.org/content/doi/10.1126/science.249.4964.55},
	author = {Sismondo, E.}
}
@article {53154,
	title = {Evolutionarily conserved coding properties favour the neuronal representation of heterospecific signals of a sympatric katydid species},
	journal = {Journal of Comparative Physiology A},
	volume = {204},
	year = {2018},
	month = {Jan-10-2018},
	pages = {859 - 872},
	abstract = {<p>To function as a mechanism in premating isolation, the divergent and species-specific calling songs of acoustic insects must be reliably processed by the afferent auditory pathway of receivers. Here, we analysed the responses of interneurons in a katydid species that uses long-lasting acoustic trills and compared these with previously reported data for homologous interneurons of a sympatric species that uses short chirps as acoustic signals. Some interneurons of the trilling species respond exclusively to the heterospecific chirp due to selective, low-frequency tuning and \&ldquo;novelty detection\&rdquo;. These properties have been considered as evolutionary adaptations in the sensory system of the chirper, which allow it to detect signals effectively during the simultaneous calling of the sympatric sibling species. We propose that these two mechanisms, shared by the interneurons of both species, did not evolve in the chirper to guarantee its ability to detect the chirp under masking conditions. Instead we suggest that chirpers evolved an additional, 2-kHz component in their song and exploited pre-existing neuronal properties for detecting their song under masking noise. The failure of some interneurons to respond to the conspecific song in trillers does not prevent intraspecific communication, as other interneurons respond to the trill.</p>
},
	keywords = {Auditory processing, insects, Selective coding, signal detection, signal evolution},
	issn = {0340-7594},
	doi = {10.1007/s00359-018-1282-0},
	url = {http://link.springer.com/10.1007/s00359-018-1282-0},
	author = {Kostarakos, Konstantinos}
}
