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The early wasp pluc...
The early wasp plucks the flower: disparate extant diversity of sawfly superfamilies (Hymenoptera: "Symphyta') may reflect asynchronous switching to angiosperm hosts
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- Nyman, T. (author)
- University of Eastern Finland,Norwegian Institute of Bioeconomy Research (Nibio),Department of Ecosystems in the Barents Region, Norwegian Institute of Bioeconomy Research, Svanvik, Norway
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- Onstein, R. E. (author)
- German Centre for Integrative Biodiversity Research (iDiv),Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
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- Silvestro, Daniele (author)
- University of Gothenburg,Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,German Centre for Integrative Biodiversity Research (iDiv) Halle–Jena–Leipzig, Leipzig, Germany
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- Wutke, S. (author)
- University of Eastern Finland,Department of Biological and Environmental Sciences, University of Gothenburg and Gothenburg Global Biodiversity Centre, Sweden
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- Taeger, A. (author)
- Senckenberg German Entomological Institute,Senckenberg Deutsches Entomologisches Institut Müncheberg, Germany
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- Wahlberg, Niklas (author)
- Lund University,Lunds universitet,Biodiversitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Biodiversity,Department of Biology,Faculty of Science,Department of Biology, Lund University, Lund, Sweden
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- Blank, S. M. (author)
- Senckenberg German Entomological Institute,Senckenberg Deutsches Entomologisches Institut Müncheberg, Germany
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- Malm, Tobias (author)
- Naturhistoriska riksmuseet,Swedish Museum of Natural History,Enheten för zoologi
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(creator_code:org_t)
- 2019-07-01
- 2019
- English.
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In: Biological Journal of the Linnean Society. - : Oxford University Press (OUP). - 0024-4066 .- 1095-8312. ; 128:1, s. 1-19
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Abstract
Subject headings
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- The insect order Hymenoptera originated during the Permian nearly 300 Mya. Ancestrally herbivorous hymenopteran lineages today make up the paraphyletic suborder Symphyta', which encompasses c. 8200 species with very diverse host-plant associations. We use phylogeny-based statistical analyses to explore the drivers of diversity dynamics within the Symphyta', with a particular focus on the hypothesis that diversification of herbivorous insects has been driven by the explosive radiation of angiosperms during and after the Cretaceous. Our ancestral-state estimates reveal that the first symphytans fed on gymnosperms, and that shifts onto angiosperms and pteridophytes - and back - have occurred at different time intervals in different groups. Trait-dependent analyses indicate that average net diversification rates do not differ between symphytan lineages feeding on angiosperms, gymnosperms or pteridophytes, but trait-independent models show that the highest diversification rates are found in a few angiosperm-feeding lineages that may have been favoured by the radiations of their host taxa during the Cenozoic. Intriguingly, lineages-through-time plots show signs of an early Cretaceous mass extinction, with a recovery starting first in angiosperm-associated clades. Hence, the oft-invoked assumption of herbivore diversification driven by the rise of flowering plants may overlook a Cretaceous global turnover in insect herbivore communities during the rapid displacement of gymnosperm- and pteridophyte-dominated floras by angiosperms.
Subject headings
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Biologisk systematik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biological Systematics (hsv//eng)
Keyword
- diversification rates
- flowering plants
- insect-plant interactions
- macroevolution
- mass extinctions
- trait-dependent speciation
- diversification shifts
- plant associations
- bayesian-analysis
- species richness
- extinction rates
- r package
- evolution
- phylogeny
- radiation
- Evolutionary Biology
- diversification rates
- Diversity of life
Publication and Content Type
- ref (subject category)
- art (subject category)
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