The spiders mating is different from other insects as the male spiders do not produce ready-made packages of sperm to insert in the females by their genitals. The male spiders use their pedipalps to transfer sperms into the female's epigyne (genital opening). They spin small sperm webs onto which they ejaculate and then transfer the sperm into syringe like structures on the tips of their pedipalps, which is then inject into the female's genital opening on the underside of her abdomen.
Spiders Mating Pictures
|Male Spider Pedipalps|
|Female Spider Epigyne (Genital Opening)|