4.3 Article

Molecular phylogeny of the grasshopper family Pyrgomorphidae (Caelifera, Orthoptera) reveals rampant paraphyly and convergence of traditionally used taxonomic characters

期刊

ZOOTAXA
卷 4969, 期 1, 页码 101-118

出版社

MAGNOLIA PRESS
DOI: 10.11646/zootaxa.4969.1.5

关键词

paraphyly; convergence; male genitalia; mitochondrial genome

类别

资金

  1. International Research Support Initiative Program (IRSIP) of the Higher Education Commission of Pakistan
  2. Orthoptera Species File Grant 'Enhancing digital content for Pyrgomorphidae (Orthoptera: Caelifera) in the Orthoptera Species File'
  3. Entomological Society of America, Systematics Evolution and Biodiversity Section (SysEB) Travel Award (2013)
  4. Orthopterists' Society Ted Cohn Research Fund (2014)
  5. CONACYT (National Council of Science and Technology) scholarship [409158]
  6. United States Department of Agriculture (Hatch Grant) [TEX0-1-6584]

向作者/读者索取更多资源

The grasshopper family Pyrgomorphidae is diverse and colorful, with convergent morphological traits causing conflicts in phylogenetic reconstruction studies. Some morphological characters, previously considered taxonomically important, have evolved convergently across the phylogeny, leading to discrepancies in phylogenies and proposing a natural classification approach.
The grasshopper family Pyrgomorphidae is one of the most colorful orthopteran lineages, and includes biologically fascinating and culturally important species. Recent attempts to reconstruct the phylogeny of this family have resulted in a large degree of conflicts between a morphology-based study and a molecular-based study, mainly due to convergent morphological traits that affected phylogenetic reconstruction. In this study, a molecular phylogeny of Pyrgomorphidae based on 32 ingroup species and mitochondrial genome data is proposed, which is used to test the monophyly of the taxonomic groupings used in the current classification scheme. Using the ancestral character state reconstruction analyses and character mapping, we demonstrate that some of the morphological characters, including the male genitalia, which were considered to be taxonomically important, have evolved convergently across the phylogeny. We discuss the discrepancies between our phylogeny and the previous studies and propose an approach to establish a natural classification scheme for Pyrgomorphidae.

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