<P> Wolf spiders are unique in the way that they carry their eggs . The egg sac, a round silken globe, is attached to the spinnerets at the end of the abdomen, allowing the spider to carry her unborn young with her . The abdomen must be held in a raised position to keep the egg case from dragging on the ground . However, despite this handicap, they are still capable of hunting . Another aspect unique to wolf spiders is their method of infant care . Immediately after the spiderlings emerge from their protective silken case, they clamber up their mother's legs and crowd onto her abdomen . </P> <P> Because they depend on camouflage for protection, they do not have the flashy appearance of some other kinds of spiders . In general their coloration is appropriate to their favorite habitat . </P> <P> Hogna is the genus with the largest of the wolf spiders . Among the Hogna species in the U.S., the nearly solid dark brown H. carolinensis (Carolina wolf spider) is the largest, with a body that can be more than 2.5 cm (1 in) long . It is sometimes confused with H. helluo, which is somewhat smaller and different in coloration . The underside of H. carolinensis is solid black, but the underside of H. helluo is variegated and has reds, oranges, and yellows with shades of black . </P> <P> Some members of the Lycosidae, such as H. carolinensis, make deep tubular burrows in which they lurk much of the time . Others, such as H. helluo, seek shelter under rocks and other shelters as nature may provide . They may wander from place to place, and are therefore more likely to be the ones attracted into human habitation when the weather starts to turn colder in autumn . </P>

How many babies does a wolf spider have