Vibrational Playback Experiments: Challenges and Solutions

Cocroft, Reginald B.; Hamel, Jennifer A.; Su, Quang T.; Gibson, Jeremy S.

doi:10.1007/978-3-662-43607-3_13

Cited by 40 publications

(16 citation statements)

References 35 publications

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“…This technology has only been employed once for measuring noise from anthropogenic activities (Wu and Elias, 2014), and it is not accessible to many researchers. Accelerometers are potentially low-cost alternatives to measure substrate-borne noise, although they are unsuitable for recording sound through many substrates given their weight (Cocroft et al, 2014). All in all, recording and quantifying near-field and substrateborne anthropogenic noise is a major challenge, but with increased attention and focused effort, existing technologies could be adapted to fit this purpose.…”

Section: Future Directionsmentioning

confidence: 99%

Anthropogenic noise and the bioacoustics of terrestrial invertebrates

Raboin

Elias

2019

Journal of Experimental Biology

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Anthropogenic noise is an important issue of environmental concern owing to its wide-ranging effects on the physiology, behavior and ecology of animals. To date, research has focused on the impacts of far-field airborne noise (i.e. pressure waves) on vertebrates, with few exceptions. However, invertebrates and the other acoustic modalities they rely on, primarily near-field airborne and substrate-borne sound (i.e. particle motion and vibrations, respectively) have received little attention. Here, we review the literature on the impacts of different types of anthropogenic noise (airborne far-field, airborne near-field, substrate-borne) on terrestrial invertebrates. Using literature on invertebrate bioacoustics, we propose a framework for understanding the potential impact of anthropogenic noise on invertebrates and outline predictions of possible constraints and adaptations for invertebrates in responding to anthropogenic noise. We argue that understanding the impacts of anthropogenic noise requires us to consider multiple modalities of sound and to cultivate a broader understanding of invertebrate bioacoustics.

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Section: Future Directionsmentioning

confidence: 99%

Anthropogenic noise and the bioacoustics of terrestrial invertebrates

Raboin

Elias

2019

Journal of Experimental Biology

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“…Thus, we ultimately had playbacks of songs from 3 individuals across 3 replicates of 3 substrate types. We performed playbacks using a 10 mm Samsung linear resonant vibration actuator, with the actuator output calibrated using a digital equalization filter (Cocroft et al 2014). For the oak litter and pine litter treatments, the actuator was attached to the substrate with low-temperature hot glue.…”

Section: Substrate-specific Transmissionmentioning

confidence: 99%

The effects of microhabitat specialization on mating communication in a wolf spider

et al. 2019

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Animal signals experience selection for detectability, which is determined in large part by the signal transmission properties of the habitat. Understanding the ecological context in which communication takes place is therefore critical to understanding selection on the form of communication signals. In order to determine the influence of environmental heterogeneity on signal transmission, we focus on a wolf spider species native to central Florida, Schizocosa floridana, in which males court females using a substrate-borne vibratory song. We test the hypothesis that S. floridana is a substrate specialist by 1) assessing substrate use by females and males in the field, 2) quantifying substrate-specific vibratory signal transmission in the laboratory, and 3) determining substrate-specific mating success in the laboratory. We predict a priori that 1) S. floridana restricts its signaling to oak litter, 2) oak litter best transmits their vibratory signal, and 3) S. floridana mates most readily on oak litter. We find that S. floridana is almost exclusively found on oak litter, which was found to attenuate vibratory courtship signals the least. Spiders mated with equal frequency on oak and pine, but did not mate at all on sand. Additionally, we describe how S. floridana song contains a novel component, chirps, which attenuate more strongly than its other display components on pine and sand, but not on oak, suggesting that the ways in which the environment relaxes restrictions on signal form may be as important as the ways in which it imposes them.

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“…Future research may be able to overcome some of the limitations of the present study. The changes imposed by the playback system could be measured in future experiments in order to compensate for them by pre-filtering the playback signal; using recordings of several different females is also advisable (Cocroft, Hamel, Su, & Gimson, 2014). Nevertheless, the same equipment that was used in this study has also been used to produce playbacks of male calls; since females have responded with their dueting signal (unpublished data) we know that this equipment is capable of reproducing the signals faithfully enough to be recognized by receivers.…”

Section: Discussionmentioning

confidence: 99%

Egg-guarding behavior of the treehopper Ennya chrysura (Hemiptera: Membracidae): female aggregations, egg parasitism, and a possible substrate-borne alarm signal

Miranda

2016

RBT

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Treehoppers are known for their substrate-borne communication and some of them also for their subsocial behavior. Following a more general study of the natural history and substrate-borne signal repertoire of the treehopper Ennya chrysura, the objective of this paper was to explore in greater depth the signals and other behaviors associated specifically to egg-guarding. Theese were studied both in natural and laboratory conditions between July, 2000 and March, 2004. The spacial distribution of egg guarding females was studied in the natural population; recording equipment and playback experiments were used in the laboratory and then analyzed digitally. Under natural conditions (San Antonio de Escazú, Costa Rica), female E. chrysura guard their egg masses and egg-guarding was associated with lower parasitism of the eggs from the wasps Gonatocerus anomocerus and Schizophragma sp. (Mymaridae). Females tended to place their eggs close to other egg-guarding females and they produced substrate-borne vibrations when disturbed. An aggregated pattern under natural conditions was confirmed by calculating dispersion indices from egg-clutch data obtained from 66 leaves in the field. The disturbance signal was characterized from laboratory recordings of substrate-borne vibrations of 10 egg-guarding females. Experiments conducted in the laboratory with 18 egg-guarding females showed that those which were previously exposed to the disturbance signal of another female moved slightly or vibrated more during playbacks and that they reacted more quickly and exhibited more deffensive behaviors in response to a tactile stimulus. The signals produced while defending against egg parasites may therefore function as an alarm and favor aggregating behavior of egg-guarding females.

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Vibrational Playback Experiments: Challenges and Solutions

Cited by 40 publications

References 35 publications

Anthropogenic noise and the bioacoustics of terrestrial invertebrates

Anthropogenic noise and the bioacoustics of terrestrial invertebrates

The effects of microhabitat specialization on mating communication in a wolf spider

Egg-guarding behavior of the treehopper Ennya chrysura (Hemiptera: Membracidae): female aggregations, egg parasitism, and a possible substrate-borne alarm signal

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