Phylogeny of the Grassland Leafhopper GenusFlexamia(Homoptera: Cicadellidae) Based on Mitochondrial DNA Sequences

Christopher H. Dietrich, Robert F. Whitcomb, William C. Black IV

Research output: Contribution to journalArticle

Abstract

Leafhoppers (Cicadellidae) are a highly diverse group of sap-sucking insects, many species of which specialize on grasses. Past attempts to examine the roles of host transfer or host plant coevolution in the diversification of leafhopper species using cladistic methods have been hindered by a paucity of discrete, phylogenetically informative morphological characters. To demonstrate the utility of DNA sequence data for species-level phylogenetic studies of Cicadellidae, we estimated phylogenetic relationships among species in the North American grassland leafhopper genusFlexamiaDeLong using partial nucleotide sequences of mitochondrial 16S rDNA and NADH dehydrogenase 1, totaling 1496 base pairs and 810 potentially informative characters. Analyses of the partitioned and combined sequence data using maximum parsimony, neighbor-joining, and maximum likelihood criteria yielded similar estimates of relationships in which most nodes were well-supported by bootstrap and decay indices. These estimates largely agreed with a previously published, intuitive, morphology-based phylogeny for the genus. A parsimony reconstruction of host associations based on these results suggests that the origins of variousFlexamiaclades coincided with host transfers among grass subfamilies or genera. Nevertheless, associations with certain subfamilies, genera, or species of grasses appear to have been largely conserved in the evolutionary diversification ofFlexamia.

Original languageEnglish (US)
Pages (from-to)139-149
Number of pages11
JournalMolecular Phylogenetics and Evolution
Volume8
Issue number2
DOIs
StatePublished - Oct 1 1997
Externally publishedYes

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Hemiptera
Cicadellidae
Phylogeny
Poaceae
Mitochondrial DNA
Homoptera
mitochondrial DNA
phylogeny
grasslands
grassland
nucleotide sequences
NADH Dehydrogenase
grass
grasses
Ribosomal DNA
Base Pairing
Insects
phylogenetics
NADH dehydrogenase
coevolution

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Molecular Biology
  • Genetics

Cite this

Phylogeny of the Grassland Leafhopper GenusFlexamia(Homoptera : Cicadellidae) Based on Mitochondrial DNA Sequences. / Dietrich, Christopher H.; Whitcomb, Robert F.; Black IV, William C.

In: Molecular Phylogenetics and Evolution, Vol. 8, No. 2, 01.10.1997, p. 139-149.

Research output: Contribution to journalArticle

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