müllerian mimicry
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2021 ◽  
Vol 109 (1) ◽  
Author(s):  
Jonas B. Castro ◽  
Glauco Machado ◽  
Rodrigo B. Singer

2021 ◽  
Author(s):  
Adam M M Stuckert ◽  
Mathieu Chouteau ◽  
Melanie McClure ◽  
Troy M LaPolice ◽  
Tyler Linderoth ◽  
...  

2021 ◽  
Vol 18 (175) ◽  
pp. 20200689
Author(s):  
William Casey ◽  
Steven E Massey ◽  
Bud Mishra

Mimicry is exhibited in multiple scales, ranging from molecular, to organismal, and then to human society. ‘Batesian’-type mimicry entails a conflict of interest between sender and receiver, reflected in a deceptive mimic signal. ‘Müllerian’-type mimicry occurs when there is perfect common interest between sender and receiver in a particular type of encounter, manifested by an honest co-mimic signal. Using a signalling games approach, simulations show that invasion by Batesian mimics will make Müllerian mimicry unstable, in a coevolutionary chase. We use these results to better understand the deceptive strategies of SARS-CoV-2 and their key role in the COVID-19 pandemic. At the biomolecular level, we explain how cellularization promotes Müllerian molecular mimicry, and discourages Batesian molecular mimicry. A wide range of processes analogous to cellularization are presented; these might represent a manner of reducing oscillatory instabilities. Lastly, we identify examples of mimicry in human society that might be addressed using a signalling game approach.


2021 ◽  
Author(s):  
Matthew H. Van Dam ◽  
Analyn Anzano Cabras ◽  
Athena W. Lam

ABSTRACTThe evolutionary origins of mimicry in the Easter Egg weevil, Pachyrhynchus, have fascinated researchers since first noted more than a century ago by Alfred Russel Wallace. Müllerian mimicry, or mimicry in which two or more distasteful species look similar, is widespread throughout the animal kingdom. Given the varied but discrete color patterns in Pachyrhynchus, this genus presents one of the best opportunities to study the evolution of both perfect and imperfect mimicry. We analyzed more than 10,000 UCE loci using a novel partitioning strategy to resolve the relationships of closely related species in the genus. Our results indicate that many of the mimetic color patterns observed in sympatric species are due to convergent evolution. We suggest that this convergence is driven by frequency-dependent selection.


2020 ◽  
Author(s):  
William Casey ◽  
Steven Massey ◽  
Bud Mishra

Abstract Mimicry is exhibited in multiple scales, ranging from molecular, to organismal, and then to human society. ‘Batesian’ type mimicry entails a conflict of interest between sender and receiver, reflected in a deceptive mimic signal. ‘Mullerian’ type mimicry occurs when there is perfect common interest between sender and receiver, manifested by an honest co-mimic signal. Using a signaling games approach, simulations show that invasion by Batesian mimics will make Mullerian mimicry unstable, in a coevolutionary chase. We use these results to better understand the deceptive strategies of SARS-CoV-2 and their key role in the COVID-19 pandemic. At the biomolecular level, we explain how cellularization promotes Mullerian molecular mimicry, and discourages Batesian molecular mimicry. A wide range of processes analogous to cellularization are presented; these might represent a manner of reducing oscillatory instabilities. Lastly, we identify examples of mimicry in human society, that might be addressed using a signaling game approach.


2020 ◽  
Vol 16 (7) ◽  
pp. 20200242
Author(s):  
Joseph S. Wilson ◽  
Jeni Sage Sidwell ◽  
Matthew L. Forister ◽  
Kevin A. Williams ◽  
James P. Pitts

Adaptive coloration among animals is one of the most recognizable outcomes of natural selection. Here, we investigate evolutionary drivers of white coloration in velvet ants (Hymenoptera: Mutillidae), which has previously been considered camouflage with the fruit of creosote bush ( Larrea tridentata ). Our analyses indicate instead that velvet ants evolved white coloration millions of years before creosote bush was widespread in North America's hot deserts. Furthermore, velvet ants and the creosote fruit exhibit different spectral reflectance patterns, which appear distinct to potential insectivorous predators. While the white coloration in velvet ants likely did not evolve as camouflage, we find that white-coloured species remain cooler than their red/orange relatives, and therefore we infer the white coloration likely evolved in response to Neogene desertification. This study shows the importance of cross-disciplinary investigation and of testing multiple hypotheses when investigating evolutionary drivers of adaptive coloration.


2020 ◽  
Vol 29 (11) ◽  
pp. 2016-2030 ◽  
Author(s):  
Emma V. Curran ◽  
Sean Stankowski ◽  
Carolina Pardo‐Diaz ◽  
Camilo Salazar ◽  
Mauricio Linares ◽  
...  

2020 ◽  
Vol 33 (7) ◽  
pp. 887-898
Author(s):  
David W. Kikuchi ◽  
Samuel J. Waldron ◽  
Janne K. Valkonen ◽  
Susanne Dobler ◽  
Johanna Mappes

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