Gifting Body Parts For Sex: How Nursery Web Spiders Seduce a Mate

Male nursery web spiders bring gifts to females in hopes to mate, but female spiders will only accept the biggest and best gifts.

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Study shows nursery web spiders offer gift to potential mates to prevent being eaten
https://phys.org/news/2016-05-nursery-web-spiders-gift-potential.html
“A pair of researchers at Aarhus University in Denmark has found evidence that suggests male nursery web spiders offer potential female mates silk covered insect carcasses as a means of protection from being eaten.”

Lady spiders demand gifts from their gentleman callers — or else they eat them
https://www.washingtonpost.com/news/speaking-of-science/wp/2016/05/18/lady-spiders-demand-gifts-from-their-gentleman-callers-or-else-they-eat-them/?utm_term=.44bd12642bf9
“”Nuptial gift-giving” has long been observed in nursery web spiders (Pisaura mirabilis). Basically, male spiders offer female spiders insects wrapped up in silk (yes, a snack packaged in high-end material).”

Male Nursery Web Spiders Mate More Successfully When They Offer Better Gifts
https://www.huffingtonpost.com/2011/11/15/nursery-web-spiders-mating-gifts_n_1095395.html
“Male nursery web spiders typically present females with silk-wrapped gifts before mating, but a new study out of Aarhus University in Denmark and Instituto de Investigaciones Biologicas Clemente Estable in Uruguay examined how the giving of the gift — and the quality of what was offered — affected their mating opportunities.”

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