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Abbas S, Alam A, Abbas M, Abbas A, Ali J, Schilthuizen M, Romano D, Zhao CR. Lateralised courtship behaviour and its impact on mating success in Ostrinia furnacalis (Lepidoptera: Crambidae). BULLETIN OF ENTOMOLOGICAL RESEARCH 2024:1-9. [PMID: 38639207 DOI: 10.1017/s0007485324000178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Lateralisation is a well-established phenomenon observed in an increasing number of insect species. This study aims to obtain basic details on lateralisation in courtship and mating behaviour in Ostrinia furnacalis, the Asian corn borer. We conducted laboratory investigations to observe lateralisation in courtship and mating behaviours in adult O. furnacalis. Our goal was also to detect lateralised mating behaviour variations during sexual interactions and to elucidate how these variances might influence the mating success of males. Our findings reveal two distinct lateralised traits: male approaches from the right or left side of the female and the direction of male turning displays. Specifically, males approaching females from their right side predominantly exhibited left-biased 180° turning displays, while males approaching females from the left-side primarily displayed right-biased 180° turning displays. Notably, left-biased males, executing a 180° turn for end-to-end genital contact, initiated copulation with fewer attempts and began copulation earlier than their right-biased approaches with left-biased 180° turning displays. Furthermore, mating success was higher when males subsequently approached the right side of females during sexual encounters. Left-biased 180° turning males exhibited a higher number of successful mating interactions. These observations provide the first report on lateralisation in the reproductive behaviour of O. furnacalis under controlled laboratory conditions and hold promise for establishing reliable benchmarks for assessing and monitoring the quality of mass-produced individuals in pest control efforts.
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Affiliation(s)
- Sohail Abbas
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, 130118 PR China
| | - Aleena Alam
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, 130118 PR China
| | - Muneer Abbas
- Arid Zone Research Institute, Bhakkar, Punjab 30004 Pakistan
| | - Arzlan Abbas
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, 130118 PR China
| | - Jamin Ali
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, 130118 PR China
| | - Menno Schilthuizen
- Naturalis Biodiversity Center, Darwinweg 2, 2333CR Leiden, The Netherlands
- Institute for Biology Leiden, Leiden University, Sylviusweg 72, 2333BE Leiden, The Netherlands
| | - Donato Romano
- The BioRobotics Institute & Department of Excellence in Robotics and AI, Sant'Anna School of Advanced Studies, 56127 Pisa, Italy
| | - Chen Ri Zhao
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, 130118 PR China
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Fissette SD, Buchinger TJ, Tamrakar S, Scott AM, Li W. Sensory trap leads to reliable communication without a shift in nonsexual responses to the model cue. Behav Ecol 2024; 35:arae006. [PMID: 38379814 PMCID: PMC10878365 DOI: 10.1093/beheco/arae006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 12/08/2023] [Accepted: 01/31/2024] [Indexed: 02/22/2024] Open
Abstract
The sensory trap model of signal evolution suggests that males manipulate females into mating using traits that mimic cues used in a nonsexual context. Despite much empirical support for sensory traps, little is known about how females evolve in response to these deceptive signals. Female sea lamprey (Petromyzon marinus) evolved to discriminate a male sex pheromone from the larval odor it mimics and orient only toward males during mate search. Larvae and males release the attractant 3-keto petromyzonol sulfate (3kPZS), but spawning females avoid larval odor using the pheromone antagonist, petromyzonol sulfate (PZS), which larvae but not males, release at higher rates than 3kPZS. We tested the hypothesis that migratory females also discriminate between larval odor and the male pheromone and orient only to larval odor during anadromous migration, when they navigate within spawning streams using larval odor before they begin mate search. In-stream behavioral assays revealed that, unlike spawning females, migratory females do not discriminate between mixtures of 3kPZS and PZS applied at ratios typical of larval versus male odorants. Our results indicate females discriminate between the sexual and nonsexual sources of 3kPZS during but not outside of mating and show sensory traps can lead to reliable sexual communication without females shifting their responses in the original context.
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Affiliation(s)
- Skye D Fissette
- Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources Building, 480 Wilson Rd., East Lansing MI 48824, USA
| | - Tyler J Buchinger
- Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources Building, 480 Wilson Rd., East Lansing MI 48824, USA
| | - Sonam Tamrakar
- Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources Building, 480 Wilson Rd., East Lansing MI 48824, USA
| | - Anne M Scott
- Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources Building, 480 Wilson Rd., East Lansing MI 48824, USA
| | - Weiming Li
- Department of Fisheries and Wildlife, Michigan State University, 13 Natural Resources Building, 480 Wilson Rd., East Lansing MI 48824, USA
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Fernández Y, Dowdy NJ, Conner WE. High duty cycle moth sounds jam bat echolocation: bats counter with compensatory changes in buzz duration. J Exp Biol 2022; 225:jeb244187. [PMID: 36111562 PMCID: PMC9637272 DOI: 10.1242/jeb.244187] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 08/23/2022] [Indexed: 10/05/2023]
Abstract
Tiger moth species vary greatly in the number of clicks they produce and the resultant duty cycle. Signals with higher duty cycles are expected to more effectively interfere with bat sonar. However, little is known about the minimum duty cycle of tiger moth signals for sonar jamming. Is there a threshold that allows us to classify moths as acoustically aposematic versus sonar jammers based on their duty cycles? We performed playback experiments with three wild-caught adult male bats, Eptesicus fuscus. Bat attacks on tethered moths were challenged using acoustic signals of Bertholdia trigona with modified duty cycles ranging from 0 to 46%. We did not find evidence for a duty cycle threshold; rather, the ability to jam the bat's sonar was a continuous function of duty cycle consistent with a steady increase in the number of clicks arriving during a critical signal processing time window just prior to the arrival of an echo. The proportion of successful captures significantly decreased as the moth duty cycle increased. Our findings suggest that moths cannot be unambiguously classified as acoustically aposematic or sonar jammers based solely on duty cycle. Bats appear to compensate for sonar jamming by lengthening the duration of their terminal buzz and they are more successful in capturing moths when they do so. In contrast to previous findings for bats performing difficult spatial tasks, the number of sonar sound groups decreased in response to high duty cycles and did not affect capture success.
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Affiliation(s)
- Yohami Fernández
- Department of Biology, Wake Forest University, 1834 Wake Forest Road, Winston-Salem, NC 27109, USA
| | - Nicolas J. Dowdy
- Department of Biology, Wake Forest University, 1834 Wake Forest Road, Winston-Salem, NC 27109, USA
- Department of Zoology, Milwaukee Public Museum, 800 West Wells Street, Milwaukee, WI 53233, USA
| | - William E. Conner
- Department of Biology, Wake Forest University, 1834 Wake Forest Road, Winston-Salem, NC 27109, USA
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4
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Dalziell AH, Maisey AC, Magrath RD, Welbergen JA. Male lyrebirds create a complex acoustic illusion of a mobbing flock during courtship and copulation. Curr Biol 2021; 31:1970-1976.e4. [PMID: 33636120 DOI: 10.1016/j.cub.2021.02.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 11/29/2020] [Accepted: 02/01/2021] [Indexed: 11/25/2022]
Abstract
Darwin argued that females' "taste for the beautiful" drives the evolution of male extravagance,1 but sexual selection theory also predicts that extravagant ornaments can arise from sexual conflict and deception.2,3 The sensory trap hypothesis posits that elaborate sexual signals can evolve via antagonistic coevolution whereby one sex uses deceptive mimicry to manipulate the opposite sex into mating.3 Here, the success of deceptive mimicry depends on whether it matches the receiver's percept of the model,4 and so has little in common with concepts of aesthetic judgement and 'beauty.'1,5-9 We report that during their song and dance displays,10 male superb lyrebirds (Menura novaehollandiae) create an elaborate acoustic illusion of a mixed-species mobbing flock. Acoustic analysis showed that males mimicked the mobbing alarm calls of multiple species calling together, enhancing the illusion by also vocally imitating the wingbeats of small birds. A playback experiment confirmed that this illusion was sufficient to fool avian receivers. Furthermore, males produced this mimicry only (1) when females attempted to exit male display arenas, and (2) during the lyrebirds' unusually long copulation, suggesting that the mimicry aims to prevent females from prematurely terminating these crucial sexual interactions. Such deceptive behavior by males should select for perceptual acuity in females, prompting an inter-sexual co-evolutionary arms race between male mimetic accuracy and discrimination by females. In this way the elaboration of the complex avian vocalizations we call 'song' could be driven by sexual conflict, rather than a female's preference for male extravagance.
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Affiliation(s)
- Anastasia H Dalziell
- Cornell Lab of Ornithology, Cornell University, Ithaca, NY 14850, USA; Research School of Biology, Australian National University, Canberra, ACT 2614, Australia; Hawkesbury Institute for the Environment, Western Sydney University, Richmond, NSW 2753, Australia; Centre for Sustainable Ecosystem Solutions, University of Wollongong, Northfields Ave, Wollongong, NSW 2522, Australia.
| | - Alex C Maisey
- Research School of Biology, Australian National University, Canberra, ACT 2614, Australia; Centre for Sustainable Ecosystem Solutions, University of Wollongong, Northfields Ave, Wollongong, NSW 2522, Australia; Sherbrooke Lyrebird Survey Group, 30 Moores Road, Monbulk, VIC 3793, Australia
| | - Robert D Magrath
- Research School of Biology, Australian National University, Canberra, ACT 2614, Australia
| | - Justin A Welbergen
- Hawkesbury Institute for the Environment, Western Sydney University, Richmond, NSW 2753, Australia
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5
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Fernández Y, Dowdy NJ, Conner WE. Extreme Duty Cycles in the Acoustic Signals of Tiger Moths: Sexual and Natural Selection Operating in Parallel. Integr Org Biol 2021; 2:obaa046. [PMID: 33791580 PMCID: PMC7810578 DOI: 10.1093/iob/obaa046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Sound production in tiger moths (Erebidae: Arctiinae) plays a role in natural selection. Some species use tymbal sounds as jamming signals avoiding bat predation. High duty cycle signals have the greatest efficacy in this regard. Tiger moth sounds can also be used for intraspecific communication. Little is known about the role of sound in the mating behavior of jamming species or the signal preferences underlying mate choice. We recorded sound production during the courtship of two high duty cycle arctiines, Bertholdia trigona and Carales arizonensis. We characterized variation in their acoustic signals, measured female preference for male signals that vary in duty cycle, and performed female choice experiments to determine the effect of male duty cycle on the acceptance of male mates. Although both species produced sound during courtship, the role of acoustic communication appears different between the species. Bertholdia trigona was acoustically active in all intraspecific interactions. Females preferred and ultimately mated with males that produced higher duty cycles. Muted males were never chosen. In C. arizonensis however, sound emissions were limited during courtship and in some successful matings no sound was detected. Muted and clicking males were equally successful in female mate-choice experiments, indicating that acoustic communication is not essential for mating in C. arizonensis. Our results suggest that in B. trigona natural and sexual selection may work in parallel, to favor higher duty cycle clicking.
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Affiliation(s)
- Y Fernández
- Department of Biology, Wake Forest University, 1834 Wake Forest Road, Winston-Salem, NC 27109, USA
| | - N J Dowdy
- Department of Biology, Wake Forest University, 1834 Wake Forest Road, Winston-Salem, NC 27109, USA.,Department of Zoology, Milwaukee Public Museum, 800 West Wells Street, Milwaukee, WI 53233, USA
| | - W E Conner
- Department of Biology, Wake Forest University, 1834 Wake Forest Road, Winston-Salem, NC 27109, USA
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Low ML, Naranjo M, Yack JE. Survival Sounds in Insects: Diversity, Function, and Evolution. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.641740] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Insect defense sounds have been reported for centuries. Yet, aside from the well-studied anti-bat sounds of tiger moths, little is understood about the occurrence, function, and evolution of these sounds. We define a defense sound as an acoustic signal (air- or solid-borne vibration) produced in response to attack or threat of attack by a predator or parasitoid and that promotes survival. Defense sounds have been described in 12 insect orders, across different developmental stages, and between sexes. The mechanisms of defensive sound production include stridulation, percussion, tymbalation, tremulation, and forced air. Signal characteristics vary between species, and we discuss how morphology, the intended receiver, and specific functions of the sounds could explain this variation. Sounds can be directed at predators or non-predators, and proposed functions include startle, aposematism, jamming, and alarm, although experimental evidence for these hypotheses remains scant for many insects. The evolutionary origins of defense sounds in insects have not been rigorously investigated using phylogenetic methodology, but in most cases it is hypothesized that they evolved from incidental sounds associated with non-signaling behaviors such as flight or ventilatory movements. Compared to our understanding of visual defenses in insects, sonic defenses are poorly understood. We recommend that future investigations focus on testing hypotheses explaining the functions and evolution of these survival sounds using predator-prey experiments and comparative phylogenetics.
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A pheromone antagonist liberates female sea lamprey from a sensory trap to enable reliable communication. Proc Natl Acad Sci U S A 2020; 117:7284-7289. [PMID: 32184327 PMCID: PMC7132252 DOI: 10.1073/pnas.1921394117] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
In many animals, males deceive females into mating using traits that mimic cues of food, predators, preferred habitats, or offspring in need of care. However, if and how these deceptive signals guide reliable communication without females confusing the mimic and the model remain unclear. We discovered that female sea lamprey discriminate a nonsexual cue of productive habitat from the deceptive male sex pheromone that mimics it and identify a pheromone antagonist as the underlying mechanism. Our results implicate a means by which females can detect and benefit from male deceit and could have applications for control of destructive populations of sea lamprey in the Laurentian Great Lakes. The evolution of male signals and female preferences remains a central question in the study of animal communication. The sensory trap model suggests males evolve signals that mimic cues used in nonsexual contexts and thus manipulate female behavior to generate mating opportunities. Much evidence supports the sensory trap model, but how females glean reliable information from both mimetic signals and their model cues remains unknown. We discovered a mechanism whereby a manipulative male signal guides reliable communication in sea lamprey (Petromyzon marinus). Migratory sea lamprey follow a larval cue into spawning streams; once sexually mature, males release a pheromone that mimics the larval cue and attracts females. Females conceivably benefit from the mimetic pheromone during mate search but must discriminate against the model cue to avoid orienting toward larvae in nearby nursery habitats. We tested the hypothesis that spawning females respond to petromyzonol sulfate (PZS) as a behavioral antagonist to avoid attraction to the larval cue while tracking the male pheromone despite each containing attractive 3-keto petromyzonol sulfate (3kPZS). We found 1) PZS inhibited electrophysiological responses to 3kPZS and abated preferences for 3kPZS when mixed at the same or greater concentrations, 2) larvae released more PZS than 3kPZS whereas males released more 3kPZS than PZS, and 3) mixtures of 3kPZS and PZS applied at ratios measured in larval and male odorants resulted in the discrimination observed between the natural odors. Our study elucidates how communication systems that arise via deception can facilitate reliable communication.
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8
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Benavides-Lopez JL, Ter Hofstede H, Robillard T. Novel system of communication in crickets originated at the same time as bat echolocation and includes male-male multimodal communication. Naturwissenschaften 2020; 107:9. [PMID: 31950367 DOI: 10.1007/s00114-020-1666-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 12/19/2019] [Accepted: 01/01/2020] [Indexed: 11/26/2022]
Abstract
Understanding the evolutionary origins of communication signals requires careful study of multiple species within a known phylogenetic framework. Most cricket species produce low-frequency calls for mate attraction, whereas they startle to high-frequency sounds similar to bat echolocation. Male crickets in the tribe Lebinthini produce high-frequency calls, to which females reply with vibrational signals. This novel communication system likely evolved by male sensory exploitation of acoustic startle to high-frequency sounds in females. This behavior was previously described for the Lebinthini from Asia. Here we demonstrate that this novel communication system is found in a Neotropical species, Ponca hebardi, and is therefore likely shared by the whole tribe Lebinthini, dating the origin of this behavior to coincide with the origin of echolocation in bats. Furthermore, we document male duets involving both acoustic and vibratory signals not previously described in crickets, and we tentatively interpret it as competitive masking between males.
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Affiliation(s)
- Jose Luis Benavides-Lopez
- Institut de Systématique, Evolution et Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, 57 rue Cuvier, CP 50, 75231, Paris Cedex 05, France
| | - Hannah Ter Hofstede
- Department of Biological Sciences, Dartmouth College, Hanover, NH, 03755, USA
- Smithsonian Tropical Research Institute, Ancon, Panamá
| | - Tony Robillard
- Institut de Systématique, Evolution et Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, 57 rue Cuvier, CP 50, 75231, Paris Cedex 05, France.
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9
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Page RA, Bernal XE. The challenge of detecting prey: Private and social information use in predatory bats. Funct Ecol 2019. [DOI: 10.1111/1365-2435.13439] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Ximena E. Bernal
- Smithsonian Tropical Research Institute Balboa Panamá
- Department of Biological Sciences Purdue University West Lafayette Indiana
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10
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Nakano R, Nagamine K. Loudness–Duration Tradeoff in Ultrasonic Courtship Songs of Moths. Front Ecol Evol 2019. [DOI: 10.3389/fevo.2019.00244] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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11
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Early erratic flight response of the lucerne moth to the quiet echolocation calls of distant bats. PLoS One 2018; 13:e0202679. [PMID: 30125318 PMCID: PMC6101402 DOI: 10.1371/journal.pone.0202679] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 08/07/2018] [Indexed: 11/19/2022] Open
Abstract
Nocturnal insects have evolved ultrasound-sensitive hearing in response to predation pressures from echolocating insectivorous bats. Flying tympanate moths take various evasive actions when they detect bat cries, including turning away, performing a steering/zigzagging flight and ceasing flight. In general, infrequent ultrasonic pulses with low sound intensities that are emitted by distant bats evoke slight turns, whereas frequent and loud ultrasonic pulses of nearby bats evoke erratic or rapid unpredictable changes in the flight path of a moth. Flight cessation, which is a freezing response that causes the moth to passively dive (drop) to the ground, is considered the ultimate last-ditch evasive behaviour against approaching bats where there is a high predation threat. Here, we found that the crambid moth Nomophila nearctica never performed passive dives in response to frequent and loud ultrasonic pulses of >60 dB sound pressure level (SPL) that simulated the attacking echolocation call sequence of the predominant sympatric insectivorous bat Eptesicus fuscus, but rather turned away or flew erratically, regardless of the temporal structure of the stimulus. Consequently, N. nearctica is likely to survive predation by bats by taking early evasive action even when it detects the echolocation calls of sympatric bats hunting other insects at a distance. Since aerially hawking bats can track and catch erratically flying moths after targeting their prey, this early escape strategy may be common among night-flying tympanate insects.
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12
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Ter Hofstede HM, Ratcliffe JM. Evolutionary escalation: the bat-moth arms race. ACTA ACUST UNITED AC 2017; 219:1589-602. [PMID: 27252453 DOI: 10.1242/jeb.086686] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Echolocation in bats and high-frequency hearing in their insect prey make bats and insects an ideal system for studying the sensory ecology and neuroethology of predator-prey interactions. Here, we review the evolutionary history of bats and eared insects, focusing on the insect order Lepidoptera, and consider the evidence for antipredator adaptations and predator counter-adaptations. Ears evolved in a remarkable number of body locations across insects, with the original selection pressure for ears differing between groups. Although cause and effect are difficult to determine, correlations between hearing and life history strategies in moths provide evidence for how these two variables influence each other. We consider life history variables such as size, sex, circadian and seasonal activity patterns, geographic range and the composition of sympatric bat communities. We also review hypotheses on the neural basis for anti-predator behaviours (such as evasive flight and sound production) in moths. It is assumed that these prey adaptations would select for counter-adaptations in predatory bats. We suggest two levels of support for classifying bat traits as counter-adaptations: traits that allow bats to eat more eared prey than expected based on their availability in the environment provide a low level of support for counter-adaptations, whereas traits that have no other plausible explanation for their origination and maintenance than capturing defended prey constitute a high level of support. Specific predator counter-adaptations include calling at frequencies outside the sensitivity range of most eared prey, changing the pattern and frequency of echolocation calls during prey pursuit, and quiet, or 'stealth', echolocation.
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Affiliation(s)
- Hannah M Ter Hofstede
- Department of Biological Sciences, Dartmouth College, 78 College Street, Hanover, NH 03755, USA
| | - John M Ratcliffe
- Department of Biology, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, ON, Canada L5L 1C6
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Balenger SL, Lara LM, Zuk M. Relative Amplitude of Courtship Song Chirp and Trill Components Does Not Alter Female
Teleogryllus oceanicus
Mating Behavior. Ethology 2016. [DOI: 10.1111/eth.12583] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Susan L. Balenger
- Department of Ecology, Evolution and Behavior University of Minnesota St. Paul MN USA
| | - Laura M. Lara
- Department of Ecology, Evolution and Behavior University of Minnesota St. Paul MN USA
| | - Marlene Zuk
- Department of Ecology, Evolution and Behavior University of Minnesota St. Paul MN USA
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Abstract
A study of tropical crickets suggests that a twitchy response to ultrasonic bat calls has been co-opted for mate location. The neuroethological approach picks apart some surprising evolutionary steps that could inform the widespread occurrence of complex duetting behaviour.
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Affiliation(s)
- Sonia Pascoal
- Centre for Biological Diversity, School of Biology, University of St Andrews, St Andrews, Fife KY16 9TH, UK
| | - Peter Moran
- Centre for Biological Diversity, School of Biology, University of St Andrews, St Andrews, Fife KY16 9TH, UK
| | - Nathan W Bailey
- Centre for Biological Diversity, School of Biology, University of St Andrews, St Andrews, Fife KY16 9TH, UK.
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16
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Ter Hofstede HM, Schöneich S, Robillard T, Hedwig B. Evolution of a Communication System by Sensory Exploitation of Startle Behavior. Curr Biol 2015; 25:3245-52. [PMID: 26687622 DOI: 10.1016/j.cub.2015.10.064] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2015] [Revised: 09/21/2015] [Accepted: 10/27/2015] [Indexed: 10/22/2022]
Abstract
New communication signals can evolve by sensory exploitation if signaling taps into preexisting sensory biases in receivers [1, 2]. For mate attraction, signals are typically similar to attractive environmental cues like food [3-6], which amplifies their attractiveness to mates, as opposed to aversive stimuli like predator cues. Female field crickets approach the low-frequency calling song of males, whereas they avoid high-frequency sounds like predatory bat calls [7]. In one group of crickets (Eneopterinae: Lebinthini), however, males produce exceptionally high-frequency calling songs in the range of bat calls [8], a surprising signal in the context of mate attraction. We found that female lebinthines, instead of approaching singing males, produce vibrational responses after male calls, and males track the source of vibrations to find females. We also demonstrate that field cricket species closely related to the Lebinthini show an acoustic startle response to high-frequency sounds that generates substrate vibrations similar to those produced by female lebinthine crickets. Therefore, the startle response is the most likely evolutionary origin of the female lebinthine vibrational signal. In field crickets, the brain receives activity from two auditory interneurons; AN1 tuned to male calling song controls positive phonotaxis, and AN2 tuned to high-frequency bat calls triggers negative phonotaxis [9, 10]. In lebinthine crickets, however, we found that auditory ascending neurons are only tuned to high-frequency sounds, and their tuning matches the thresholds for female vibrational signals. Our results demonstrate how sensory exploitation of anti-predator behavior can evolve into a communication system that benefits both senders and receivers.
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Affiliation(s)
- Hannah M Ter Hofstede
- Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK.
| | - Stefan Schöneich
- Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK; Institute for Biology, University of Leipzig, Talstraße 33, 04103 Leipzig, Germany
| | - Tony Robillard
- Muséum national d'Histoire naturelle, Institut de Systématique, Evolution et Biodiversité, ISYEB, UMR 7205, CNRS MNHN UPMC EPHE, CP 50 (Entomologie), 75231 Paris Cedex 05, France
| | - Berthold Hedwig
- Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK
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Nakano R, Ihara F, Mishiro K, Toyama M, Toda S. High duty cycle pulses suppress orientation flights of crambid moths. JOURNAL OF INSECT PHYSIOLOGY 2015; 83:15-21. [PMID: 26549128 DOI: 10.1016/j.jinsphys.2015.11.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2015] [Revised: 10/23/2015] [Accepted: 11/04/2015] [Indexed: 06/05/2023]
Abstract
Bat-and-moth is a good model system for understanding predator-prey interactions resulting from interspecific coevolution. Night-flying insects have been under predation pressure from echolocating bats for 65Myr, pressuring vulnerable moths to evolve ultrasound detection and evasive maneuvers as counter tactics. Past studies of defensive behaviors against attacking bats have been biased toward noctuoid moth responses to short duration pulses of low-duty-cycle (LDC) bat calls. Depending on the region, however, moths have been exposed to predation pressure from high-duty-cycle (HDC) bats as well. Here, we reveal that long duration pulse of the sympatric HDC bat (e.g., greater horseshoe bat) is easily detected by the auditory nerve of Japanese crambid moths (yellow peach moth and Asian corn borer) and suppress both mate-finding flights of virgin males and host-finding flights of mated females. The hearing sensitivities for the duration of pulse stimuli significantly dropped non-linearly in both the two moth species as the pulse duration shortened. These hearing properties support the energy integrator model; however, the threshold reduction per doubling the duration has slightly larger than those of other moth species hitherto reported. And also, Asian corn borer showed a lower auditory sensitivity and a lower flight suppression to short duration pulse than yellow peach moth did. Therefore, flight disruption of moth might be more frequently achieved by the pulse structure of HDC calls. The combination of long pulses and inter-pulse intervals, which moths can readily continue detecting, will be useful for repelling moth pests.
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Affiliation(s)
- Ryo Nakano
- Breeding and Pest Management Division, NARO Institute of Fruit Tree Science, 2-1 Fujimoto, Tsukuba, Ibaraki 305-8605, Japan; Department of Biological Sciences, University of Toronto Scarborough, Toronto, ON M1C 1A4, Canada.
| | - Fumio Ihara
- Breeding and Pest Management Division, NARO Institute of Fruit Tree Science, 2-1 Fujimoto, Tsukuba, Ibaraki 305-8605, Japan
| | - Koji Mishiro
- Breeding and Pest Management Division, NARO Institute of Fruit Tree Science, 2-1 Fujimoto, Tsukuba, Ibaraki 305-8605, Japan
| | - Masatoshi Toyama
- Grape and Persimmon Research Division, NARO Institute of Fruit Tree Science, 301-2 Mitsu, Akitsu, Higashi-hiroshima, Hiroshima 739-2494, Japan
| | - Satoshi Toda
- Breeding and Pest Management Division, NARO Institute of Fruit Tree Science, 2-1 Fujimoto, Tsukuba, Ibaraki 305-8605, Japan
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Fujii T, Yamamoto M, Nakano R, Nirazawa T, Rong Y, Dong SL, Ishikawa Y. Alkenyl sex pheromone analogs in the hemolymph of an arctiid Eilema japonica and several non-arctiid moths. JOURNAL OF INSECT PHYSIOLOGY 2015; 82:109-113. [PMID: 26429763 DOI: 10.1016/j.jinsphys.2015.09.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Revised: 08/31/2015] [Accepted: 09/25/2015] [Indexed: 06/05/2023]
Abstract
The majority of moth species utilize compounds derived from de novo synthesized fatty acids as their sex pheromones (type I). In contrast, species belonging to two recently diverged moth families, Arctiidae and Geometridae, utilize alkenes and their epoxides, which are derived from dietary essential fatty acids (EFAs), as their sex pheromones (type II). In the latter species, EFAs are considered to be converted into alkenes, often after chain elongation, in specialized cells called oenocytes. These alkenes are transported through the hemolymph to the pheromone gland, from which they are secreted with or without further modifications. We confirmed that the appearance of EFA-derived alkenes in the hemolymph was closely associated with the completion of pheromone gland formation in an arctiid moth Eilema japonica. Analyses of the hemolymph of several moth species utilizing type-I sex pheromones demonstrated the occurrence of (Z,Z,Z)-3,6,9-tricosatriene (T23), a typical type-II component, in the hemolymph of a noctuid Mamestra brassicae and two crambids Ostrinia furnacalis and Ostrinia scapulalis. Our results demonstrated that moths utilizing type-I pheromones have the ability to synthesize type-II sex pheromones, and suggested that recently diverged groups of moths may have secondarily exploited EFA-derived alkenes as sex pheromones.
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Affiliation(s)
- Takeshi Fujii
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan.
| | - Masanobu Yamamoto
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
| | - Ryo Nakano
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
| | - Takuya Nirazawa
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
| | - Yu Rong
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
| | - Shuang-Lin Dong
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
| | - Yukio Ishikawa
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
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Nakano R, Ihara F, Mishiro K, Toyama M, Toda S. Double meaning of courtship song in a moth. Proc Biol Sci 2015; 281:20140840. [PMID: 25009064 DOI: 10.1098/rspb.2014.0840] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Males use courtship signals to inform a conspecific female of their presence and/or quality, or, alternatively, to 'cheat' females by imitating the cues of a prey or predator. These signals have the single function of advertising for mating. Here, we show the dual functions of the courtship song in the yellow peach moth, Conogethes punctiferalis, whose males generate a series of short pulses and a subsequent long pulse in a song bout. Repulsive short pulses mimic the echolocation calls of sympatric horseshoe bats and disrupt the approach of male rivals to a female. The attractive long pulse does not mimic bat calls and specifically induces mate acceptance in the female, who raises her wings to facilitate copulation. These results demonstrate that moths can evolve both attractive acoustic signals and repulsive ones from cues that were originally used to identify predators and non-predators, because the bat-like sounds disrupt rivals, and also support a hypothesis of signal evolution via receiver bias in moth acoustic communication that was driven by the initial evolution of hearing to perceive echolocating bat predators.
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Affiliation(s)
- Ryo Nakano
- Breeding and Pest Management Division, Institute of Fruit Tree Science, National Agriculture and Food Research Organization, 2-1 Fujimoto, Tsukuba, Ibaraki 305-8605, Japan
| | - Fumio Ihara
- Breeding and Pest Management Division, Institute of Fruit Tree Science, National Agriculture and Food Research Organization, 2-1 Fujimoto, Tsukuba, Ibaraki 305-8605, Japan
| | - Koji Mishiro
- Breeding and Pest Management Division, Institute of Fruit Tree Science, National Agriculture and Food Research Organization, 2-1 Fujimoto, Tsukuba, Ibaraki 305-8605, Japan
| | - Masatoshi Toyama
- Grape and Persimmon Research Division, Institute of Fruit Tree Science, National Agriculture and Food Research Organization, 301-2 Mitsu, Akitsu, Higashi-hiroshima, Hiroshima 739-2494, Japan
| | - Satoshi Toda
- Breeding and Pest Management Division, Institute of Fruit Tree Science, National Agriculture and Food Research Organization, 2-1 Fujimoto, Tsukuba, Ibaraki 305-8605, Japan
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Selective forces on origin, adaptation and reduction of tympanal ears in insects. J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2014; 201:155-69. [DOI: 10.1007/s00359-014-0962-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Revised: 10/28/2014] [Accepted: 10/31/2014] [Indexed: 10/24/2022]
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Nakano R, Takanashi T, Surlykke A. Moth hearing and sound communication. J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2014; 201:111-21. [DOI: 10.1007/s00359-014-0945-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Revised: 09/13/2014] [Accepted: 09/15/2014] [Indexed: 10/24/2022]
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Alem S, Streiff R, Courtois B, Zenboudji S, Limousin D, Greenfield MD. Genetic architecture of sensory exploitation: QTL mapping of female and male receiver traits in an acoustic moth. J Evol Biol 2013; 26:2581-96. [DOI: 10.1111/jeb.12252] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2013] [Revised: 08/09/2013] [Accepted: 08/18/2013] [Indexed: 02/01/2023]
Affiliation(s)
- S. Alem
- Centre National de la Recherche Scientifique (CNRS); UMR 7261 (IRBI); Université François Rabelais de Tours; Tours France
| | - R. Streiff
- Institut National de la Recherche Agronomique (INRA); UMR CBGP (INRA-IRD-CIRAD-Montpellier SupAgro); Montferrier sur Lez France
| | - B. Courtois
- Centre de coopération Internationale en Recherche Agronomique pour le Développement (CIRAD); UMR AGAP; Montpellier France
| | - S. Zenboudji
- Centre National de la Recherche Scientifique (CNRS); UMR 5175 (CEFE); Montpellier France
| | - D. Limousin
- Institut National de la Recherche Agronomique (INRA); UMR 1272; Physiologie de l'Insecte Signalisation et Communication; Versailles France
| | - M. D. Greenfield
- Centre National de la Recherche Scientifique (CNRS); UMR 7261 (IRBI); Université François Rabelais de Tours; Tours France
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