I found a small spider that I didn't recognize, are all spiders poisonous? This spider was brown with the underside black, it was about a half inch in diameter. What affect would a spider bite have? Do they bite? Or sting? Can someone educate me on this. Thank you ----zeke----

Most spiders are not poisonous.

Tarantula's are huge and venomous. See: Tarantula - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Tarantula)

Some Black Widow spiders are dangerous to humans. Black widow spider - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Black_widow_spider)

Here is a common one I see; the daddy long leg spider. http://en.wikipedia.org/wiki/Pholcidae

The link's broken, KISS.

I disagree, however on spiders being poisonous. Nearly all spiders produce venom of one type or another. Very few are dangerous.

Truck, all the spiders I'm aware of inject their venom through a bite.

Here's a pretty good article about bites:

Spider Bites - Spider Bite Symptoms - Symptoms of Spider Bites (http://firstaid.about.com/od/bitesstings/qt/07_spider_bites.htm)

And pictures

AOL Search (http://aolsearcht10.search.aol.com/aol/image?q=spider%20bites&flv=1)

As you can see, some can be nasty, some can be almost nothing.

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Cool. Those Daddy Long-legs are also referred to as warehouse spiders due to their webs accumulating in high-ceilinged industrial settings.

Thanks for your response, they are very helpful. I can handle snakes, and scorpions pretty good, but spiders still creep me out. Thanks again! ----Zeke----

thanks for your responce, they are very helpful. I can handle snakes, and scorpions pretty good, but spiders still creep me out. thanks again! ----Zeke----

Anytime.