After mating, the female spider usually looks after her eggs alone until they hatch. The mother spider wraps the eggs tightly in a waterproof egg sac made up of many layers of silk, and when the spiderlings hatch out they have to break their way out, like silkworms emerging from a cocoon.
蜘蛛交配後，多由母蜘蛛獨自孵育寶寶，蜘蛛媽媽紡絲將卵囊層層包得密不透風，小蜘蛛孵化後像蠶一般破繭鑽出。