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Latest Traumatic insemination Stories

0cacb1d3fbe60141b8402cc3373ba84b
2010-09-09 08:44:29

Male bedbugs are known to be very unfussy when it comes to mating, mounting any well-fed bug they can see - regardless of age or gender. Researchers writing in the open access journal BMC Biology have discovered how immature bedbug nymphs, who would be harmed by the traumatic insemination technique practiced by the males, release alarm pheromones to deter this unwanted attention. Vincent Harraca, from Lund University, Sweden, worked with a team of researchers to stage encounters between males...

13d09f731eef42527aaec1a77c3604221
2009-04-30 13:50:23

Researchers have discovered a male spider in the Judean foothills of Israel with an evolutionarily effective yet sadistic sexual perversion. For most spiders, the mating ritual involves the male ejecting sperm into the female's vulva, where it is stored it in a pouch called the spermatheca. These receptacles give the female control of when her eggs will be fertilized, by moving sperm onto them before she lays. The spermatheca is a "last in, first out" structure which means that the last male...


Word of the Day
holluschickie
  • A 'bachelor seal'; a young male seal which is prevented from mating by its herd's older males (mated bulls defending their territory).
This comes from the Russian word for 'bachelors.'
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