Male spacing behaviour and acoustic interactions in a field cricket: implications for female mate choice

Mhatre, Natasha; Balakrishnan, Rohini

doi:10.1016/j.anbehav.2006.02.022

Cited by 29 publications

(43 citation statements)

References 51 publications

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“…Other effects such as amplitude fluctuations due to atmospheric turbulence were also present. Sound attenuation levels measured in the experimental areas were similar to those measured previously (Mhatre and Balakrishnan, 2006) in the same habitat with intact vegetation.…”

Section: Introductionsupporting

confidence: 71%

“…The SPLs of the speakers were based on measurements of the calling song SPLs of real males. Males produce calling song at an average of 75± 4.6 dB SPL (Mhatre and Balakrishnan, 2006). We chose broadcast SPLs from the centre, as well as approximately one and two standard deviations of this distribution of song SPLs.…”

Section: Introductionmentioning

confidence: 99%

“…Stimuli were broadcast from either a pair of Creative speakers (Creative Labs Inc., Singapore) (frequency range: 100 Hz-15 kHz) or these in combination with Philips BA109 loudspeakers (Amsterdam, The Netherlands) (frequency range: 100 Hz-18 kHz). These two pairs of speakers received input from two independent CD players (AIWA Co. Ltd, Tokyo, Japan), which both played out two P. guttiventris songs, which were aphasic with respect to each other, as is the case with simultaneously singing males (Mhatre and Balakrishnan, 2006). The songs were looped and started at random points within the loop for each trial.…”

Section: Introductionmentioning

confidence: 99%

“…The positions of the speakers were selected based on a map of a real chorus of males observed in the field, and the distances between males reflect observed intermale distances (Mhatre and Balakrishnan, 2006). The particular chorus was selected as it provided a situation in which a female might hear four simultaneously calling males.…”

Section: Introductionmentioning

confidence: 99%

“…Stimuli were synthesized using a single chirp from a P. guttiventris song recorded at 21°C (Mhatre and Balakrishnan, 2007). The temporal pattern used was appropriate for this temperature (carrier frequency=4.9 kHz, chirp duration=180 ms, chirp period=339±32 ms) (Mhatre and Balakrishnan, 2006). Stimuli were broadcast from either a pair of Creative speakers (Creative Labs Inc., Singapore) (frequency range: 100 Hz-15 kHz) or these in combination with Philips BA109 loudspeakers (Amsterdam, The Netherlands) (frequency range: 100 Hz-18 kHz).…”

Section: Introductionmentioning

confidence: 99%

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Predicting acoustic orientation in complex real-world environments

Mhatre

Balakrishnan

2008

Journal of Experimental Biology

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Experiments were carried out in the natural habitat of Plebeiogryllus guttiventris (Walker), which consists of hard ground sparsely covered with herbs and forbs. In the area being videotaped, vegetation cover was almost completely removed in order to allow us to view the females clearly. We believe that the environment created by this manipulation is not unnatural since several of the natural habitats where we have observed these crickets consist of SUMMARY Animals have to accomplish several tasks in their lifetime, such as finding food and mates and avoiding predators. Animals that locate these using sound need to detect, recognize and localize appropriate acoustic objects in their environment, typically in noisy, non-ideal conditions. Quantitative models attempting to explain or predict animal behaviour should be able to accurately simulate behaviour in such complex, real-world conditions. Female crickets locate potential mates in choruses of simultaneously calling males. In the present study, we have tested field cricket acoustic orientation behaviour in complex acoustic conditions in the field and also successfully predicted female orientation and paths under these conditions using a simulation model based on auditory physiology. Such simulation models can provide powerful tools to predict and dissect patterns of behaviour in complex, natural environments.

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Section: Introductionsupporting

confidence: 71%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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