An Evolutionary Game Model of Sex-Dependent Antipredator Signaling

Kuga, Tatsuru; Seki, M.; Kasuya, Eiiti; Satake, Akiko

doi:10.1086/715745

Cited by 3 publications

(2 citation statements)

References 53 publications

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“…Based on the above assumptions, we developed an evolutionary game model that predicts the conditions in which the BVOC emission strategy can evolve by reference to the previous study about antipredator signaling (Kuga et al., 2021 ). The effective spatial range of signaling is relatively small, primarily limited to the nearest neighbor, due to the high reactivity of BVOCs.…”

Section: Methodsmentioning

confidence: 99%

Theoretical analyses for the evolution of biogenic volatile organic compounds (BVOC) emission strategy

Hirose,

Satake

2024

Ecology and Evolution

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Plants emit biogenic volatile organic compounds (BVOCs) as signaling molecules, playing a crucial role in inducing resistance against herbivores. Neighboring plants that eavesdrop on BVOC signals can also increase defenses against herbivores or alter growth patterns to respond to potential risks of herbivore damage. Despite the significance of BVOC emissions, the evolutionary rationales behind their release and the factors contributing to the diversity in such emissions remain poorly understood. To unravel the conditions for the evolution of BVOC emission, we developed a spatially explicit model that formalizes the evolutionary dynamics of BVOC emission and non‐emission strategies. Our model considered two effects of BVOC signaling that impact the fitness of plants: intra‐individual communication, which mitigates herbivore damage through the plant's own BVOC signaling incurring emission costs, and inter‐individual communication, which alters the influence of herbivory based on BVOC signals from other individuals without incurring emission costs. Employing two mathematical models—the lattice model and the random distribution model—we investigated how intra‐individual communication, inter‐individual communication, and spatial structure influenced the evolution of BVOC emission strategies. Our analysis revealed that the increase in intra‐individual communication promotes the evolution of the BVOC emission strategy. In contrast, the increase in inter‐individual communication effect favors cheaters who benefit from the BVOCs released from neighboring plants without bearing the costs associated with BVOC emission. Our analysis also demonstrated that the narrower the spatial scale of BVOC signaling, the higher the likelihood of BVOC evolution. This research sheds light on the intricate dynamics governing the evolution of BVOC emissions and their implications for plant–plant communication.

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Section: Methodsmentioning

confidence: 99%

Theoretical analyses for the evolution of biogenic volatile organic compounds (BVOC) emission strategy

Hirose,

Satake

2024

Ecology and Evolution

Self Cite

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show abstract

“…Based on the above assumptions, we developed an evolutionary game model that predicts the conditions in which the BVOC emission strategy can evolve by reference to the previous study about antipredator signaling (Kuga et al, 2021). The effective spatial range of signaling is relatively small, primarily limited to the nearest neighbor, due to the high reactivity of BVOCs.…”

Section: An Evolutionary Game Model Of Bvoc Emission: a Lattice Modelmentioning

confidence: 99%

Theoretical analyses for the evolution of biogenic volatile organic compounds (BVOCs) emission strategy

Hirose,

Satake

2024

Preprint

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Plants emit biogenic volatile organic compounds (BVOCs) as signaling molecules, playing a crucial role in inducing resistance against herbivores. Neighboring plants that eavesdrop on BVOC signals can also increase defenses against herbivores or alter growth patterns to respond to potential risks of herbivore damage. Despite the significance of BVOC emissions, the evolutionary rationales behind their release and the factors contributing to the diversity in such emissions remain poorly understood. To unravel the conditions for the evolution of BVOC emission, we developed a spatially-explicit model that formalizes the evolutionary dynamics of BVOC emission and non-emission strategies. Our model considered two effects of BVOC signaling that impact the fitness of plants: intra-individual communication, which mitigates herbivore damage through the plant's own BVOC signaling incurring emission costs, and inter-individual communication, which alters the influence of herbivory based on BVOC signals from other individuals without incurring emission costs. Employing two mathematical models—the lattice model and the random distribution model—we investigated how intra-individual communication, inter-individual communication, and spatial structure influenced the evolution of BVOC emission strategies. Our analysis revealed that the increase in intra-individual communication promotes the evolution of the BVOC emission strategy. In contrast, the increase in inter-individual communication effect favors cheaters who benefit from the BVOCs released from neighboring plants without bearing the costs associated with BVOC emission. Our analysis also demonstrated that the narrower the spatial scale of BVOC signaling, the higher the likelihood of BVOC evolution. This research sheds light on the intricate dynamics governing the evolution of BVOC emissions and their implications for plant-plant communication.

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Mechanism of sound production by the Chinese grasshopper Acrida cinerea (Orthoptera: Acrididae) during flight

Kuga

Kasuya

2021

Entomological Science

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Many species of grasshoppers in subfamilies Oedipodinae, Gomphocerinae and Acridinae make sounds when they escape by flying. We carried out four kinds of experiments with the Chinese grasshopper, Acrida cinerea (Orthoptera: Acrididae: Acridinae), whose males often make sounds while flying, to examine the mechanism of sound production during flight by grasshoppers. First, we recorded high-speed video and audio of the tethered flight of the males and found that they produced sounds when they clapped their hindwings together at the end of the upstroke. Second, we recorded the tethered flights of the males when we prevented them from clapping their hindwings to clarify whether the hindwing clapping produced the sounds, and we found that the obstruction of clapping hindwings prevented sound production by the males. Third, we recorded the free flight of the males and determined whether the sound produced by clapping hindwings was not specific to the tethered condition. The males clapped their hindwings during free flight, and sounds were produced when they clapped their hindwings. Finally, we observed the tethered and free flights of the females because the possibility of crepitation flight by the females existed, and we found that sound was produced by females clapping their hindwings during flight. These results showed that male A. cinerea make sounds during flight by clapping their hindwings, and females also have the ability to make sounds by using the same mechanism. This study provides the first experimental evidence on the mechanism of sound production during flight through observing the behaviors of grasshoppers.

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An Evolutionary Game Model of Sex-Dependent Antipredator Signaling

Abstract: Number of words: 6315 (from introduction to discussion) plus 1729 (two appendices).Elements: Main text file (including two tables and two appendices with three appendix tables), four figures, and an online supplement file.

Cited by 3 publications

References 53 publications

Theoretical analyses for the evolution of biogenic volatile organic compounds (BVOC) emission strategy

Theoretical analyses for the evolution of biogenic volatile organic compounds (BVOC) emission strategy

Theoretical analyses for the evolution of biogenic volatile organic compounds (BVOCs) emission strategy

Mechanism of sound production by the Chinese grasshopper Acrida cinerea (Orthoptera: Acrididae) during flight

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