The metabolic costs of sexual signalling in the chirping katydid<i>Plangia graminea</i>(Serville) (Orthoptera: Tettigoniidae) are context dependent: cumulative costs add up fast

Doubell, Marcee; Grant, Paul B. C.; Esterhuizen, Nanike; Bazelet, Corinna S.; Addison, Pia; Terblanche, John S.

doi:10.1242/jeb.160036

Cited by 8 publications

(5 citation statements)

References 62 publications

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“…Experiments have also shown that investment in calling, investment in searching and sex-role reversal can be flexible and both density and resourcedependent (Bateman 2001;Gwynne 1985;1990). Given how little sound the species in our study produce compared to other katydid species (ter Hofstede et al 2020), energy expended during calling would be minimal compared to the high energetic expenditures associated with spermatophore production and flight (Doubell et al 2017;Stevens and Josephson 1977). Therefore, we suggest that energetic constraints are unlikely to be the primary factor driving the tradeoff relationships seen in our study.…”

Section: Figmentioning

confidence: 76%

“…Most studies of energetics of calling in orthopteran insects have been on species that call multiple times per second for long periods of time (Hoback and Wagner 1997;Prestwich 1994). Both within and across tested species, there is a clear positive relationship between call rate and metabolic rate (Doubell et al 2017;Prestwich 1994). Interestingly, Hoback and Wagner (1997) found that the metabolic rate of crickets increased with call rate, but not the duration of the call.…”

Section: Figmentioning

confidence: 99%

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Daily Signaling Rate and the Duration of Sound per Signal are Negatively Related in Neotropical Forest Katydids

Symes

Robillard

Martinson

et al. 2021

Integrative and Comparative Biology

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Researchers have long examined the structure of animal advertisement signals, but comparatively little is known about how often these signals are repeated and what factors predict variation in signaling rate across species. Here, we focus on acoustic advertisement signals to test the hypothesis that calling males experience a tradeoff between investment in the duration or complexity of individual calls and investment in signaling over long time periods. This hypothesis predicts that the number of signals that a male produces per 24 hours will negatively correlate with 1) the duration of sound that is produced in each call (the sum of all pulses) and 2) the number of sound pulses per call. To test this hypothesis, we measured call parameters and the number of calls produced per 24 hours in 16 species of sympatric phaneropterine katydids from the Panamanian rainforest. This assemblage also provided us with the opportunity to test a second taxonomically-specific hypothesis about signaling rates in taxa such as phaneropterine katydids that transition from advertisement calls to mating duets to facilitate mate localization. To establish duets, male phaneropterine katydids call and females produce a short acoustic reply. These duets facilitate searching by males, females, or both sexes, depending on the species. We test the hypothesis that males invest either in calling or in searching for females. This hypothesis predicts a negative relationship between how often males signal over 24 hours and how much males move across the landscape relative to females. For the first hypothesis, there was a strong negative relationship between the number of signals and the duration of sound that is produced in each signal, but we find no relationship between the number of signals produced per 24 hours and the number of pulses per signal. This result suggests the presence of cross-taxa tradeoffs that limit signal production and duration, but not the structure of individual signals. These tradeoffs could be driven by energetic limitations, predation pressure, signal efficacy, or other signaling costs. For the second hypothesis, we find a negative relationship between the number of signals produced per day and proportion of the light trap catch that is male, likely reflecting males investing either in calling or in searching. These cross-taxa relationships point to the presence of pervasive trade-offs that fundamentally shape the spatial and temporal dynamics of communication.

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Section: Figmentioning

confidence: 76%

Section: Figmentioning

confidence: 99%

Daily Signaling Rate and the Duration of Sound per Signal are Negatively Related in Neotropical Forest Katydids

Symes

Robillard

Martinson

et al. 2021

Integrative and Comparative Biology

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“…Calls may play an important role in mate choice by acting as indicators of male quality ( Alexander 1967 ), since call-production is a highly energetically demanding activity ( Prestwich and Walker 1981 ; Taigen and Wells 1985 ; Gerhardt and Huber 2002 ). Studies of mate choice in acoustic insects have shown that female preferences for male acoustic features are focused on all features requiring larger energy expenditure, such as calling for longer and louder, or calling at higher rates ( Doubell et al 2017 ; Erregger et al 2017 ). In our study, we show that males of P .…”

Section: Discussionmentioning

confidence: 99%

The best of both worlds: cicada males change costly signals to achieve mates while females choose a mate based on both calling and courtship songs

Hou

Wei

2022

Current Zoology

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Cicadas usually sing and mate in the higher parts of trees. Studies addressing the effects of different acoustic signals on mate choice in Cicadidae are very limited. We investigated the effects of both acoustical features and morphological traits on mate choice in an East Asian cicada Platypleura kaempferi. Males produce high-rate calling songs that attract females, then produce low-rate courtship songs to secure mating when a female is attracted. Higher calling song rate, shorter single pulse duration and shorter pulse period of the calling song, together with lower courtship song rate and longer echeme period of the courtship song, are the most desirable traits used by females to choose a mate. These traits indicate that the more a male can raise the rate of song production, the higher the probability he is sexually selected by the female. No correlation was found between morphological traits and mating success. After mating, a minority of males started emitting calling songs again, but the calling song rate was significantly lower than before mating and none of them attracted a new mate later. This promotes females mating with unmated males. We hypothesize P. kaempferi may have the best of both worlds due to the unique song modulation and the mechanism of female mate choice: males change energetically, costly acoustic signals to achieve mates, while females choose a mate based on males’ acoustic properties. Our results contribute to better understanding the diversity of mating preference and enrich the mechanism of mate choice in acoustic insects.

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“…Studies of gryllids and tettigoniids have shown that producing a calling song is energetically costly. For example, in the katydid Plangia graminea, metabolic rate during singing is 60% higher than resting metabolic rate (Doubell et al, 2017). In Mecopoda sp.…”

Section: The Energetic Costs Of Singingmentioning

confidence: 98%

Acoustic signalling in Orthoptera

Hall

Robinson

2021

Advances in Insect Physiology

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Acoustic communication is one of the most well-known behavioural traits of the Orthoptera. Orthopteran insects and the sounds they produce are both extremely diverse, and speciesspecific sounds are an extremely important tool in orthopteran taxonomy and systematics. For most species, acoustic signalling is the most important means of communication. It plays a vital role in mating, mate choice, intrasexual competition, interspecific interactions with predators and parasitoids, and the divergence of populations and species. The enormous diversity of the orthopterans has provided researchers with a wealth of model systems for studying anatomy, physiology, neurobiology, bioacoustics, communication, life-history traits, behaviour, evolutionary ecology, and speciation, all areas in which acoustic communication is important. We first reviewed orthopteran sound signalling nearly 20 years ago (Robinson and Hall, 2002), since when there has been an enormous amount of further work. This second review will look mainly at research published since that first review.

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The metabolic costs of sexual signalling in the chirping katydidPlangia graminea(Serville) (Orthoptera: Tettigoniidae) are context dependent: cumulative costs add up fast

Cited by 8 publications

References 62 publications

Daily Signaling Rate and the Duration of Sound per Signal are Negatively Related in Neotropical Forest Katydids

Daily Signaling Rate and the Duration of Sound per Signal are Negatively Related in Neotropical Forest Katydids

The best of both worlds: cicada males change costly signals to achieve mates while females choose a mate based on both calling and courtship songs

Acoustic signalling in Orthoptera

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