The female of the species is deadlier than the male.

Many animals, not just spiders – make plugs of mucus to seal the female’s orifice after mating. There plugs are to stymie other suitors and is reminiscent, of the chastity belts, which ensured paternity rights.

However the females of Leucauge arguna, a Central American species of spiders have subverted this and create plugs by themselves, this is to ensure that if they come across a better male, they can get rid of the earlier sperm. In the case of male spiders, the equivalent of a post coital cigarette is not a sensible option, making straight for the door is a better option, if you hang around the female consort will devour you, this may be a defense mechanism to deny rivals their male consorts sperm