A male spider that injects sperm straight into a female's body after piercing it with his fangs has been discovered in Israel. The mating technique, called 'traumatic insemination' (TI), has never before been seen in spiders, and is every bit as gory as it sounds. Below is one of three videos of insemination in action. See the rest of the videos on the Royal Society's website.
Video courtesy Milan Rezac from www.royalsociety.com
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