The male black widow spiders approach the female ones with great care. They move slowly inch-by-inch, towards the female, who are hanging on their webs. When the male is close to the female he taps his legs in a manner of courting ritual to catch her attention. The tapping creates vibrations on the web, which alerts the female of the male's presence. The female, if ready for mating, will stay in her place and the male crawls on top of her to release his sperms. The female black widow spiders can store the sperm and thus produces egg sacs without actual mating.
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