Repellent function of male pheromones in the red-spotted newt

Daesik Park, Catherine R Propper

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Pheromones act as attractants and sexual stimulants in most vertebrates. For example, in red-spotted newts, Notophthalmus viridescens, female pheromones attract males, and male pheromones increase female receptivity. However, no studies have determined whether male vertebrates produce a pheromone that repels competing males. Through a series of olfactory mate selection tests, we found that sexually motivated male red-spotted newts produce a pheromone that functions to repel other approaching males. Our finding is the first report of a repelling function for pheromones in male vertebrates. The pheromones may act to increase both the sender's and receiver's mating success when the operational sex ratio (OSR) is male biased.

Original languageEnglish (US)
Pages (from-to)404-408
Number of pages5
JournalJournal of Experimental Zoology
Volume289
Issue number6
DOIs
StatePublished - May 1 2001

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repellents
salamanders and newts
pheromones
vertebrates
Notophthalmus viridescens
attractants
sex ratio

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Repellent function of male pheromones in the red-spotted newt. / Park, Daesik; Propper, Catherine R.

In: Journal of Experimental Zoology, Vol. 289, No. 6, 01.05.2001, p. 404-408.

Research output: Contribution to journalArticle

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