Modelling the evolution of periodicity in the periodical cicadas
Toivonen, J., & Fromhage, L. (2018). Modelling the evolution of periodicity in the periodical cicadas. Evolutionary Ecology Research, 19, 107-125. http://evolutionary-ecology.com/abstracts/v19/3125.html
Published inEvolutionary Ecology Research
© 2018 Jaakko Toivonen
Background: Periodical cicadas (Magicicada spp.) have a life cycle that ends with the entire underground nymph population exhibiting a synchronized mass emergence to mate above ground. Previous studies have hypothesized that the periodical cicadas evolved from non-periodical cicadas by switching from a life-cycle length determined by body size to one determined by age. Questions: When can a mutation coding for fixed life-cycle length invade a resident population in which life-cycle length is variable? What determines the length of the fixed cycle? Methods: Numerical analysis of a mathematical model and simulations of an individual-based model. Results: If there is a sufficiently strong predation intensity affecting the pool of individuals emerging to reproduce, a non-periodical population may become proto-periodical such that reproductive success varies yearly. Then, an emergence strategy with a fixed life-cycle length targeting years of high emergence density can invade. © 2018 Jaakko Toivonen ...
PublisherEvolutionary Ecology Ltd
Publication in research information system
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Related funder(s)Academy of Finland
Funding program(s)Research costs of Academy Research Fellow, AoF
Additional information about fundingThis research was funded by the Academy of Finland (grant #283486). We acknowledge grants of computer capacity from the Finnish Grid and Cloud Infrastructure (persistent identifier urn:nbn:fi:research-infras-2016072533).
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