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Nutrition-dependent phenotypes affect sexual selection in a ladybird

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Abstract
Environmental factors play a crucial role in influencing sexual selection in insects and the evolution of their mating systems. Although it has been reported that sexual selection in insects may change in response to varying environments, the reason for these changes remains poorly understood. Here, we focus on the mate selection process of a ladybird, Cryptolaemus montrouzieri, when experiencing low-and high-nutrition diet regimes both in its larval and adult stages. We found that female ladybirds preferred to mate with males reared under high-nutrition diet regimes, regardless of the nutritional conditions they experienced during their own larval stages, indicating that mate choice of female C. montrouzieri is non-random and phenotype-dependent. Such mate choice may depend on visual cues (body or genitalia size) and/or chemical cues (pheromones). Further, females from high-nutrition larval diet regimes produced more eggs than those from low-nutrition larval diet regimes. In addition, diet regimes during adulthood also exerted strong effects on egg production. In summary, our study provides new insight into the mate choice of C. montrouzieri as affected by seasonal changes in resources, and suggests that food availability may be a driving force in mate choice.
Keywords
DROSOPHILA-MELANOGASTER, CRYPTOLAEMUS-MONTROUZIERI, ADALIA-BIPUNCTATA, MALE COMPETITION, 2-SPOT LADYBIRD, MATE CHOICE, ECOLOGY, ATTRACTIVENESS, PHEROMONES, PREFERENCE

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MLA
Xie, Jiaqin et al. “Nutrition-dependent Phenotypes Affect Sexual Selection in a Ladybird.” SCIENTIFIC REPORTS 5 (2015): n. pag. Print.
APA
Xie, Jiaqin, De Clercq, P., Zhang, Y., Wu, H., Pan, C., & Pang, H. (2015). Nutrition-dependent phenotypes affect sexual selection in a ladybird. SCIENTIFIC REPORTS, 5.
Chicago author-date
Xie, Jiaqin, Patrick De Clercq, Yuhong Zhang, Hongsheng Wu, Chang Pan, and Hong Pang. 2015. “Nutrition-dependent Phenotypes Affect Sexual Selection in a Ladybird.” Scientific Reports 5.
Chicago author-date (all authors)
Xie, Jiaqin, Patrick De Clercq, Yuhong Zhang, Hongsheng Wu, Chang Pan, and Hong Pang. 2015. “Nutrition-dependent Phenotypes Affect Sexual Selection in a Ladybird.” Scientific Reports 5.
Vancouver
1.
Xie J, De Clercq P, Zhang Y, Wu H, Pan C, Pang H. Nutrition-dependent phenotypes affect sexual selection in a ladybird. SCIENTIFIC REPORTS. 2015;5.
IEEE
[1]
J. Xie, P. De Clercq, Y. Zhang, H. Wu, C. Pan, and H. Pang, “Nutrition-dependent phenotypes affect sexual selection in a ladybird,” SCIENTIFIC REPORTS, vol. 5, 2015.
@article{7001128,
  abstract     = {Environmental factors play a crucial role in influencing sexual selection in insects and the evolution of their mating systems. Although it has been reported that sexual selection in insects may change in response to varying environments, the reason for these changes remains poorly understood. Here, we focus on the mate selection process of a ladybird, Cryptolaemus montrouzieri, when experiencing low-and high-nutrition diet regimes both in its larval and adult stages. We found that female ladybirds preferred to mate with males reared under high-nutrition diet regimes, regardless of the nutritional conditions they experienced during their own larval stages, indicating that mate choice of female C. montrouzieri is non-random and phenotype-dependent. Such mate choice may depend on visual cues (body or genitalia size) and/or chemical cues (pheromones). Further, females from high-nutrition larval diet regimes produced more eggs than those from low-nutrition larval diet regimes. In addition, diet regimes during adulthood also exerted strong effects on egg production. In summary, our study provides new insight into the mate choice of C. montrouzieri as affected by seasonal changes in resources, and suggests that food availability may be a driving force in mate choice.},
  articleno    = {13111},
  author       = {Xie, Jiaqin and De Clercq, Patrick and Zhang, Yuhong and Wu, Hongsheng and Pan, Chang and Pang, Hong},
  issn         = {2045-2322},
  journal      = {SCIENTIFIC REPORTS},
  keywords     = {DROSOPHILA-MELANOGASTER,CRYPTOLAEMUS-MONTROUZIERI,ADALIA-BIPUNCTATA,MALE COMPETITION,2-SPOT LADYBIRD,MATE CHOICE,ECOLOGY,ATTRACTIVENESS,PHEROMONES,PREFERENCE},
  language     = {eng},
  pages        = {12},
  title        = {Nutrition-dependent phenotypes affect sexual selection in a ladybird},
  url          = {http://dx.doi.org/10.1038/srep13111},
  volume       = {5},
  year         = {2015},
}

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