Molecular phylogeny of Palaearctic genera of Gomphocerinae grasshoppers (Orthoptera, Acrididae).

摘要

Molecular phylogenetic methods were used to examine morphologically based hypotheses concerning the taxonomic structure and relationships of the grasshopper subfamily Gomphocerinae. Two mitochondrial gene (cytochrome b and cytochrome oxidase subunit I) sequences were determined for twenty-five species representing eleven Palaearctic genera. The studied Gomphocerinae species constituted a monophyletic group; furthermore, the earlier division of Gomphocerinae into tribes was supported, with each tribe monophyletic. There was no support for various systems uniting Stenobothrini and Gomphocerini into one tribe. Two separate clusters were discerned in Gomphocerini and two tribes were distinguished - Gomphocerini (genera Aeropus, Stauroderus, Chorthippus) and Stenobothrini (genera Omocestus, Stenobothrus)..