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Virgin females compete for mates in the male lekking species Ceratitis capitata

Papadopoulos, Nikos T [autor] | Carey, James R [autor] | Liedo Fernández, Pablo [autor] | Müller, Hans Georg [autor] | Sentürk, Damla [autora].
Tipo de material: Artículo en línea Artículo en línea Tema(s): Ceratitis capitata | Comportamiento de los insectos | Competencia (Biología) | Conducta sexual en los animalesTema(s) en inglés: Mediterranean fruit-fly | Insect behavior | Competition (Biology) | Sexual behavior in animalsDescriptor(es) geográficos: Metapa (Chiapas, México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Physiological Entomology. volumen 34, número 3 (Apr. 2009), páginas 238-245. --ISSN: 0307-6962Número de sistema: 47339Resumen:
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Aggressive behaviour occurring in intrasexual competition is an important trait for animal fitness. Although female intrasexual aggression is reported in several insect species, little is known about female competition and aggressive interactions in polygynous male lekking species. The interactions of female Mediterranean fruit flies, Ceratitis capitata (a male lekking species), with other females and mating pairs under laboratory conditions are investigated. Mature, unmated (virgin) females are aggressive against each other and against mating pairs, whereas immature females are not. Female aggression against other females decreases dramatically after mating; however, mated females maintain aggression against mating pairs. In addition, higher intrasexual aggression rates are observed for mature, virgin females than for virgin males of the same age. The results show that female aggressiveness is virginity related, suggesting female competition for mates. These findings have important implications for understanding the physiological aspects of a complex social behaviour such as aggression and should stimulate further research on female agonistic behaviour in male lekking mating systems.

Recurso en línea: https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-3032.2009.00680.x
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Aggressive behaviour occurring in intrasexual competition is an important trait for animal fitness. Although female intrasexual aggression is reported in several insect species, little is known about female competition and aggressive interactions in polygynous male lekking species. The interactions of female Mediterranean fruit flies, Ceratitis capitata (a male lekking species), with other females and mating pairs under laboratory conditions are investigated. Mature, unmated (virgin) females are aggressive against each other and against mating pairs, whereas immature females are not. Female aggression against other females decreases dramatically after mating; however, mated females maintain aggression against mating pairs. In addition, higher intrasexual aggression rates are observed for mature, virgin females than for virgin males of the same age. The results show that female aggressiveness is virginity related, suggesting female competition for mates. These findings have important implications for understanding the physiological aspects of a complex social behaviour such as aggression and should stimulate further research on female agonistic behaviour in male lekking mating systems. eng

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