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Backpacker Magazine – September 2000

Beware The Hobo Spider

Its bite is more than painful -- it could be deadly.

by: Buck Tilton

Many a Northwest hiker has innocently flicked a hobo spider from the inside of a tent. No harm done, at least to the hiker, which is good news because, unbeknownst to many, the hobo -- also known as the northwestern brown spider (Tegenaria agrestis) -- has been implicated in several deaths.

This import from Europe is fond of woodpiles and forest debris. Hobos are brown with gray markings and eight conspicuously hairy legs with a span of 1 to 11?2 inches. A herringbone pattern in brown, gray, and tan often appears on the abdomen.

Bites are rare and usually occur when the spider is trapped against the skin of an unsuspecting human and can't escape. Laboratory tests have shown that the female's bite is far more toxic than the male's, but that's of little consequence when you've just been bitten. A blister usually results, as can headaches, muscle weakness, visual impairment, and/or disorientation. Some experts say that up to 5 percent of the humans who are bitten by the hobo spider die because they aren't aware that they've encountered a toxic spider.

There's no specific first-aid treatment. If you think a hobo has bitten you, try to capture the spider for a positive ID. Then head to the nearest doctor's office.


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READERS COMMENTS

Actually, in the Pacific Northwest there are a few deaths related to hobo spider bites per year. Its actually exactly like you mentioned, those who don't realize what bit them and don't get treated, but theirself in harms way.
Posted: Jul 17, 2009 M. White

Folks I can hardly believe some of your comments. One writer says "I was on the island of gaum". Must have meant GUAM. Another says,..."they can make you sick, and granted, neurosis is very common....". Neurosis? Do you mean NECROSIS?

Come on people, check your spelling and grammar before hitting that send button. Otherwise, your message lacks credibility. MH
Posted: Apr 21, 2009 Chuck Macbeth

Folks I can hardly believe some of your comments. One writer says "I was on the island of gaum". Must have meant GUAM. Another says,..."they can make you sick, and granted, neurosis is very common....". Neurosis? Do you mean NECROSIS?

Come on folks, check your spelling and grammar before hitting that send button. Otherwise, your message lacks credibility. MH
Posted: Apr 21, 2009 Mike Hagen

wtf
Posted: Mar 05, 2009 jacob

i am at sogun@att.net
Posted: Jan 22, 2009 tim washburn

in 1989 i was on the island of gaum.we wer'e building a barracks on the navy base. one weekend we went to tallifofo falls. the native people who owned or had control of the land around the falls charged us a couple of bucks to go down the trail to the tunnel or makeshift cave where supposedly a japanese soldier hid for years. halfway or thereabouts i told my buddy i"ll wait ,if you find anything holler and i'll come see what you found. within 30 to 60 seconds i had too many skeeters on me . i was bleeding good from mosquito bites. i yelled at my buddy "i"ll meet you back at the falls. i turned and ran right thru a spider web at least 6 feet around. it slowed me down a bit,but i kept going towards the falls to rinse the blood off of me.i don/t know what kind of spider it was,but i was scared good with goosebumps bigger'n i've ever seen. god that water felt so good!!!
Posted: Jan 22, 2009 tim washburn

It seems that you are confusing two spiders in your reports. The Hobo and the Brown Recluse.

The brown recluse is the more toxic of the two and does cause edema and necrosis. But either way, if bitten, get professional attention.
Posted: Oct 30, 2008 remaile

To whoever has been bit 5 times, you are a moron.
Posted: Oct 27, 2008 ME

I have just suffered my 5th hobo spider bite in 20 years. Not as sick this time but bite was smaller. Anyone who thinks they are funny should think again. There sure is a lot of misinformation about these spiders out there. Pictures on one site showed the necrotic tissue and another said no necrosis occurred. Hah!! Everyone of my bites caused pain, fever, and a necrosed center!
Posted: Aug 29, 2008 M.R.Petersen

hey I was bit two days ago!! and i have been trying to find out the symptoms.i have been very sick
Posted: Aug 17, 2008 andy

Wow..this article is WAY off the mark. How in the world could this magazine allow such crap to be printed? The statistics aren't even close folks. I still have to wonder if this isn't just a joke?
Posted: Jun 20, 2008 sam

This has got to be one of THE most irresponsible articles I have ever read. There have only been a few people that have died from these bites, and there is thought that it could be that the persons were allergic to the venom, and/or a very weak immune system. Granted, they can make you sick, and granted, neurosis is very common and disgusting, and could, if a bad bite, lead to amputation or skin grafts, but 5% deaths????? SHOW ME THE MONEY!! Links to back that up would have been a smart move in this article. Bad journalism.



Posted: May 17, 2008 dv

The hobo spider? oh i thought you ment a hobo. Sorry come again. This message will self destruct in five seconds.
Posted: May 05, 2008 aa;slkjdal;ksjf

Hobo Spiders? oh, I thought you were talking about hobo's. hee Hee. maybe you could research some animals on florida. i got this project on them. bye. this message will self destruct in five seconds.
Posted: May 05, 2008 Daniel H. Lee

Why can't I find any picture of Hobo
Spider bite?
Posted: Apr 17, 2008 bill hofer

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