North America’s Most Venomous Spiders Are Shocking. #4 is a Lot More Common Than Many Originally Thought!

Hobo spider

The yellow sac spider is best to avoid, even though their bites are only mildly toxic. When cleaning your home be mindful of these critters who are known to hide in crevices. If you find that you have skin irritations if you think you've been bitten by a yellow sac spider, then it's likely one or two have them have found a way inside your home. Better go on a spider hunt!

4. Yellow Sac Spiders, Black-footed Spider (Cheiracanthium inclusum or mildei)

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Yellow Sac Spiders are often found in homes throughout the American continent. They build silk retreats in curled leaves or in crevices. Bites usually occur at night when these nocturnal hunters encounter a sleeping human. In fact, Yellow Sac Spiders are believed to be responsible for the majority of nuisance bites to humans in North America. This species has a mildly toxic venom. Bites can be painful and cause skin irritations: erythema, edema and pruritis. Yet, though wounds may become slightly necrotic, they usually heal in rather rapidly without severe scarring.

To stay away from these creepy spiders, we recommend not sticking your fingers in dark crevices and cleaning your home regularly. You should also keep an eye out for telltale spider signs, such as a web, or other areas where a spider may make himself at home.

Luckily spiders like to be left alone, so there is usually only a small chance you may run into one that can do significant damage. Still, it's important to know what the dangerous ones look like and receive medical attention if you think you got bit by a highly venomous spider.

To learn more about dangerous spiders and how to avoid them, check out Venomous, Poisonous, Dangerous, and Other Wonders.

Featured Image via Lynette/Flickr


17 Comments

  1. James McCarthy said:

    Try waking up in the woods with a brown recluse on your junk. Flick it off after almost reaction smacking it. Go to wipe the sweat off your brow and find his$#%&!@*brother on your forearm inches from your eye.

    Yeah.$#%&!@*spiders.

  2. James Hardwick Sr said:

    My grandson was bitten by a brown recluse spider nasty nasty and i teated it with in min of the bite rotted alot of flesh away

  3. Roy Thompson said:

    our most poisioness spider believe it or not is a grandaddy long leggs but his poison is in his skin. thats why chickens birds or nothing else will eat them

  4. Kevin Martin said:

    Grand daddy long legs are harvest men, they’re not spiders, they only have one body segment instead of three. They do have venom but cannot bite us, they are poisonous to eat. That’s the only way they can hurt you.

  5. Doug Schuetz said:

    Kevin Martin good point about the body.have had tarantulas most of my life.i see you’re correct now. Thanks.

  6. Kevin Martin said:

    No problem, I don’t understand why they would be on this list without making a distinction

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