Sexual Selection on Leks: A Fruit Fly Primer

Journal of Insect Science
T E Shelly

Abstract

Lek mating systems are relatively rare but occur in a diverse taxonomic array of animals, including birds, mammals, anurans, and insects. Such systems exhibit four features: 1) males provide no parental care and supply only gametes; 2) males are spatially aggregated at mating arenas (or leks); 3) males do not control access to resources critical to females; and 4) females are free to select mates at the arena. Among insects, fruit flies of the families Tephritidae and Drosophilidae display lek behavior that closely resembles the 'classic' lek mating systems of vertebrate species. The objective of this paper is to provide an overview of empirical findings on lek-forming tephritid and drosophilid flies. The essay is organized around a series of 19 questions, the first six of which provide background information on fruit fly leks. These questions deal with the location, persistence, and size of leks as well as pheromonal attraction of females and the nature of male-male aggression. The remaining questions touch on broader issues that are common to the study of lekking species regardless of taxonomic affiliation. For example, these questions concern skewed mating distributions among males, male signals important in female choice, t...Continue Reading

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Citations

Apr 12, 2020·Journal of Insect Science·Marco Tulio TejedaDiana Pérez-Staples
Aug 28, 2020·Frontiers in Physiology·Clancy A ShortDaniel A Hahn
Sep 2, 2020·Scientific Reports·Paloma Pena-Firme, Rhainer Guillermo-Ferreira
May 6, 2021·Insects·Francesca ScolariLucie Vaníčková
Sep 21, 2021·Bulletin of Entomological Research·Mayren Sánchez-RosarioPablo Liedo

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