Evolution of aerial spider webs coincided with repeated structural optimization of silk anchorages

Jonas O. Wolff, Gustavo B. Paterno, Daniele Liprandi, Martín J. Ramírez, Federico Bosia, Arie van der Meijden, Peter Michalik, Helen M. Smith, Braxton R. Jones, Alexandra M. Ravelo, Nicola Pugno, Marie E. Herberstein

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Physical structures built by animals challenge our understanding of biological processes and inspire the development of smart materials and green architecture. It is thus indispensable to understand the drivers, constraints, and dynamics that lead to the emergence and modification of building behavior. Here, we demonstrate that spider web diversification repeatedly followed strikingly similar evolutionary trajectories, guided by physical constraints. We found that the evolution of suspended webs that intercept flying prey coincided with small changes in silk anchoring behavior with considerable effects on the robustness of web attachment. The use of nanofiber based capture threads (cribellate silk) conflicts with the behavioral enhancement of web attachment, and the repeated loss of this trait was frequently followed by physical improvements of web anchor structure. These findings suggest that the evolution of building behavior may be constrained by major physical traits limiting its role in rapid adaptation to a changing environment.

LanguageEnglish
Pages2122-2134
Number of pages13
JournalEvolution
Volume73
Issue number10
Early online date23 Aug 2019
DOIs
Publication statusPublished - Oct 2019

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spider web
Spiders
Silk
silk
Nanofibers
Animal Structures
Biological Phenomena
Behavior Therapy
anchor
biological processes
nanofibers
trajectory
animal
trajectories
flight
animals
Conflict (Psychology)

Keywords

  • animal architecture
  • bio-inspiration
  • evolutionary biomechanics
  • extended phenotype
  • macro-evolution
  • spider silk

Cite this

Wolff, Jonas O. ; Paterno, Gustavo B. ; Liprandi, Daniele ; Ramírez, Martín J. ; Bosia, Federico ; van der Meijden, Arie ; Michalik, Peter ; Smith, Helen M. ; Jones, Braxton R. ; Ravelo, Alexandra M. ; Pugno, Nicola ; Herberstein, Marie E. / Evolution of aerial spider webs coincided with repeated structural optimization of silk anchorages. In: Evolution. 2019 ; Vol. 73, No. 10. pp. 2122-2134.
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Wolff, JO, Paterno, GB, Liprandi, D, Ramírez, MJ, Bosia, F, van der Meijden, A, Michalik, P, Smith, HM, Jones, BR, Ravelo, AM, Pugno, N & Herberstein, ME 2019, 'Evolution of aerial spider webs coincided with repeated structural optimization of silk anchorages', Evolution, vol. 73, no. 10, pp. 2122-2134. https://doi.org/10.1111/evo.13834

Evolution of aerial spider webs coincided with repeated structural optimization of silk anchorages. / Wolff, Jonas O.; Paterno, Gustavo B.; Liprandi, Daniele; Ramírez, Martín J.; Bosia, Federico; van der Meijden, Arie; Michalik, Peter; Smith, Helen M.; Jones, Braxton R.; Ravelo, Alexandra M.; Pugno, Nicola; Herberstein, Marie E.

In: Evolution, Vol. 73, No. 10, 10.2019, p. 2122-2134.

Research output: Contribution to journalArticleResearchpeer-review

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AU - van der Meijden, Arie

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Wolff JO, Paterno GB, Liprandi D, Ramírez MJ, Bosia F, van der Meijden A et al. Evolution of aerial spider webs coincided with repeated structural optimization of silk anchorages. Evolution. 2019 Oct;73(10):2122-2134. https://doi.org/10.1111/evo.13834