Many species of insects and spiders engage in homosexual behavior, like courting, mounting, and trying to mate with members of the same sex. But it is unclear what role evolution plays in this curious situation. Like heterosexual ...
Plants & Animals
Oct 21, 2013
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(Phys.org) —Behavioral biologists at the University of Nebraska have found that male dark fishing spiders become immobile immediately after mating and die a short time later. In their paper published in the journal Biology ...
The Black Widow spider gets its name from the popular belief that female spiders eat their male suitors after mating. However, a new study has shown that the tendency to consume a potential mate is also true of some types ...
Plants & Animals
May 6, 2013
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Whether it's two lions fighting over a pride or two butterflies fighting over a sunny spot, decades of nature shows have led the average watcher to conclude that bigger, stronger males win competitions.
Plants & Animals
Feb 21, 2013
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Scientists at the Smithsonian and their colleagues have discovered a new mechanism of animal mating plug production. In the giant wood spider Nephila pilipes, a highly sexually dimorphic and polygamous species, many small ...
Plants & Animals
Aug 1, 2012
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Discerning males remain faithful ... if you are a spider. Sex for male orb web spiders (Argiope bruennichi) is a two shot affair since the act of mating destroys their genitalia. If they survive being eaten during their first ...
Plants & Animals
Apr 24, 2012
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(PhysOrg.com) -- Researchers have known for some time that the male sex organ, called a palp, in orb-web spiders is often broken off during copulation with females; what hasn’t been so clear is why. Now, new research ...
Male nursery web spiders (Pisaura mirabilis) prepare silk-wrapped gifts to give to potential mates. Most gifts contain insects, but some gifts are inedible plant seeds or empty exoskeletons left after the prey has already ...
Plants & Animals
Nov 13, 2011
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(PhysOrg.com) -- While most people are familiar with the fact that many species of female spiders eat their male counterparts, new research findings published in the Biological Journal of the Linnean Society show how biologists ...
(PhysOrg.com) -- Weather and environmental change can bring alterations – and scarcity – in food resources. In looking at how such changes might affect mating choices and subsequent reproduction, University of Cincinnati ...
Plants & Animals
Apr 1, 2011
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