These spiders spend most of their time on the ground, but they can climb trees or other objects if they need to. They are "mostly nocturnal and often mistaken for tarantulas," Sewlal said. Wolf spiders are solitary animals that typically roam alone in the night, stalking prey. Anyone who has been bitten by a brown recluse spider should seek emergency medical attention, according to MedlinePlus, a service of the National Library of Medicine. People can tell the spiders apart using size and banding patterns wolf spiders are usually larger and have banding patterns on their legs, which are absent on brown recluse spiders. Fast-moving spiders on the ground are more likely to be wolf spiders, as brown recluse spiders are very rarely seen out in the open, according to the University of Kentucky. However, wolf spider bites can be very painful, so these critters shouldn't be picked up by hand, the University of Kentucky's Department of Entomology notes.Ä«rown wolf spiders can be confused with more venomous brown recluse spiders, especially in houses. Bite victims may exhibit some redness or swelling, but no serious medical problems caused by a wolf spider bite have ever been reported. According to Penn State's College of Agricultural Sciences, wolf spiders bite humans when they are mishandled or trapped next to the skin. Wolf spiders can bite if threatened, but their venom doesn't pose a serious danger to humans. (Image credit: Auscape/Contributor via Getty Images) Are wolf spiders dangerous? A wolf spider on Shark Bay in Western Australia.
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