When spiderlings hatch, they may stay close to their mom spider or disperse into their surroundings using silk lines. Spider egg sacs can show up in a surprising variety of locations. Many species ...

Inside the sac, a female spider may lay anywhere from a few dozen to hundreds of eggs. They're designed to protect the baby spiders from predators, keeping them warm and safe from harsh conditions ...

The egg sacs are distinctive, with silky spikes projecting from the surface, much like a thistle. Young spiders called spiderlings hatch from the eggs in 14 to 21 days but stay hidden in the egg ...