From wikipedia
Wolf spiders resemble Nursery web spiders (family Pisauridae), but they carry their egg sacs by attaching them to their spinnerets (Pisauridae carry their egg sacs with their chelicerae and pedipalps).
Spinneret being the silk-spinning organ
The question is whether you risk creating this terror by destroying the inch long monster known as the wolf spider, or if you let it continue to roam free, knowing that eventually the babies will hatch anyway
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Me_Pie_Three wants a SuperNiceDog for Christmas
http://img2.moonbuggy.org/imgstore/special-sauce-is-my-friend.jpg