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Nuptial gifts of male spiders: sensory exploitation of the female's maternal care instinct or foraging motivation?

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Nuptial gifts of male spiders: sensory exploitation of the female's maternal care instinct or foraging motivation? / Bilde, T.; Tuni, Cristina; Elsayed, Rehab et al.

In: Animal Behaviour, Vol. 73, 2007, p. 267-273.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

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Bilde, T. ; Tuni, Cristina ; Elsayed, Rehab et al. / Nuptial gifts of male spiders: sensory exploitation of the female's maternal care instinct or foraging motivation?. In: Animal Behaviour. 2007 ; Vol. 73. pp. 267-273.

Bibtex

@article{e2121350fdbb11dda987000ea68e967b,
title = "Nuptial gifts of male spiders: sensory exploitation of the female's maternal care instinct or foraging motivation?",
abstract = "Nuptial feeding can evolve as sensory traps where the male exploits the female's foraging motivation in a sexual context. The nuptial prey gift of the nursery-web spider Pisaura mirabilis is wrapped in white silk, and it has been suggested that males initially exploit the maternal care instinct by producing a nuptial gift that resembles the female's eggsac. In mating experiments we examined whether males exploit the female's foraging motivation or the female's maternal care instinct. We carried out a gift-switching experiment, where males presented an eggsac, a wrapped fly or an unwrapped fly as nuptial gifts. Females fed on eggsacs as well as on prey gifts. Mating success was similar for males with both wrapped and unwrapped gifts, indicating that wrapping per se does not increase male mating success. In a food manipulation experiment, we investigated the effect of the female's hunger level on male mating success. Hungry females were more likely to accept a gift and copulate; hence the female's hunger state is decisive for male mating success. Our results strongly suggest that the female's foraging motivation is the true context for the maintenance of the nuptial gift.",
author = "T. Bilde and Cristina Tuni and Rehab Elsayed and Stano Pekar and S{\o}ren Toft",
year = "2007",
doi = "10.1016/j.anbehav.2006.05.014",
language = "English",
volume = "73",
pages = "267--273",
journal = "Animal Behaviour",
issn = "0003-3472",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Nuptial gifts of male spiders: sensory exploitation of the female's maternal care instinct or foraging motivation?

AU - Bilde, T.

AU - Tuni, Cristina

AU - Elsayed, Rehab

AU - Pekar, Stano

AU - Toft, Søren

PY - 2007

Y1 - 2007

N2 - Nuptial feeding can evolve as sensory traps where the male exploits the female's foraging motivation in a sexual context. The nuptial prey gift of the nursery-web spider Pisaura mirabilis is wrapped in white silk, and it has been suggested that males initially exploit the maternal care instinct by producing a nuptial gift that resembles the female's eggsac. In mating experiments we examined whether males exploit the female's foraging motivation or the female's maternal care instinct. We carried out a gift-switching experiment, where males presented an eggsac, a wrapped fly or an unwrapped fly as nuptial gifts. Females fed on eggsacs as well as on prey gifts. Mating success was similar for males with both wrapped and unwrapped gifts, indicating that wrapping per se does not increase male mating success. In a food manipulation experiment, we investigated the effect of the female's hunger level on male mating success. Hungry females were more likely to accept a gift and copulate; hence the female's hunger state is decisive for male mating success. Our results strongly suggest that the female's foraging motivation is the true context for the maintenance of the nuptial gift.

AB - Nuptial feeding can evolve as sensory traps where the male exploits the female's foraging motivation in a sexual context. The nuptial prey gift of the nursery-web spider Pisaura mirabilis is wrapped in white silk, and it has been suggested that males initially exploit the maternal care instinct by producing a nuptial gift that resembles the female's eggsac. In mating experiments we examined whether males exploit the female's foraging motivation or the female's maternal care instinct. We carried out a gift-switching experiment, where males presented an eggsac, a wrapped fly or an unwrapped fly as nuptial gifts. Females fed on eggsacs as well as on prey gifts. Mating success was similar for males with both wrapped and unwrapped gifts, indicating that wrapping per se does not increase male mating success. In a food manipulation experiment, we investigated the effect of the female's hunger level on male mating success. Hungry females were more likely to accept a gift and copulate; hence the female's hunger state is decisive for male mating success. Our results strongly suggest that the female's foraging motivation is the true context for the maintenance of the nuptial gift.

U2 - 10.1016/j.anbehav.2006.05.014

DO - 10.1016/j.anbehav.2006.05.014

M3 - Journal article

VL - 73

SP - 267

EP - 273

JO - Animal Behaviour

JF - Animal Behaviour

SN - 0003-3472

ER -