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Article

Mating signal variation and bimodality in a mosaic hybrid zone between Chorthippus grasshopper species.

Evolution; international journal of organic evolution - 1 Jun 2002

Bridle Jon R, Butlin Roger K

Abstract excerpt

The grasshoppers Chorthippus brunneus and Chorthippus jacobsi are easily distinguished by male calling song and the number of stridulatory pegs on the hind femur, and form a mosaic hybrid zone in northern Spain. In this paper, we fit a two-dimensional cline to variation in male calling song characters, which are of particular interest as they are likely to be involved in mate choice by females. As with variation...

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PMID: 12144019
DOI: 10.1111/j.0014-3820.2002.tb01431.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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