Can higher-level phylogenies of weevils explain their evolutionary success? A critical review

Nico Franz, Michael S. Engel

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

We review a series of related publications that combine higher-level phylogenies of weevils (Coleoptera: Curculionoidea) with host plant information to explain the success of this megadiverse lineage in the context of a co-evolutionary escape-and-radiation hypothesis. We argue that the authors' approach is marred by the cumulative effect of: (1) inadequate taxon sampling, particularly within the most diverse family Curculionidae; (2) insufficient reconciliation of systematic evidence, including the reassessment of morphological characters and necessary classificatory emendations; (3) exceedingly wide concepts of ecological similarity, leading to uninformative tests of adaptation; (4) insufficient resolution of the temporal sequence of associated weevil and angiosperm radiations; and (5) inadequate consideration of alternatives to the escape-and-radiation hypothesis. As a result, there are very few new and reliable inferences about the evolutionary success of weevils that depend precisely on the phylogenetic data presented in these studies. Improved taxon sampling alone is not the solution, because the existing mid-level classification of weevils is too deficient to permit inferences about natural lineages and their ancestral traits. We therefore recommend abandoning such an approach in favour of more narrowly focused reconstructions of the evolutionary history of generic and tribal groupings.

Original languageEnglish (US)
Pages (from-to)597-606
Number of pages10
JournalSystematic Entomology
Volume35
Issue number4
DOIs
StatePublished - Oct 2010
Externally publishedYes

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Curculionidae
phylogeny
sampling
angiosperm
host plant
phylogenetics
history
Angiospermae
host plants
radiation
Coleoptera
testing
family
effect
test

ASJC Scopus subject areas

  • Insect Science
  • Ecology, Evolution, Behavior and Systematics

Cite this

Can higher-level phylogenies of weevils explain their evolutionary success? A critical review. / Franz, Nico; Engel, Michael S.

In: Systematic Entomology, Vol. 35, No. 4, 10.2010, p. 597-606.

Research output: Contribution to journalArticle

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