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Almost all Spiders are venomous. A few don't have any venom. If you eat them, you will not be poisoned by any of them. The spiders that are known to be able to kill human beings by biting and injecting venom are:
(1) The Widow spiders (the Black Widow and several very similar species all over the world)
(2) The Atrax spiders, often called the Sydney Funnel Web spider -- from the area they come from in Australia.
(3) The Phoneutria spiders, called the "armed spiders" in Portuguese because they carry a very potent weapon.
Bites by the spiders listed above are not always deadly. They tend to kill mostly children and people who are already infirm. There are several other kinds of spiders that have bites that will make you very uncomfortable, For a more complete run-down see:
http://en.wikipedia.org/wiki/Spider_bite
The other spider U.S. readers need to beware of is the "Brown Recluse." They have a venom that kills tissue and can cause long-term problems. Occasionally, people get a kind of systemic reaction that affects internal organs. Either way, these bites can be medically significant. (You can click on "Brown Recluse" on its first occurrence in the Wikipedia article mentioned above, and that will take you to a picture of this kind of spider, etc.)
What else can I help you with?
Are water spiders dangerous?
Water spiders, also known as diving bell spiders, are not dangerous to humans. They primarily feed on aquatic insects and small fish and pose no threat to people. They are more known for their unique ability to spend long periods underwater due to their bubble-like webs.
Where do spiders poop?
Spiders release waste through an opening called the anus located at the end of their abdomen. They typically produce tiny, dry feces called "frass," which may be found near their silk webs or within their burrows.
Are slow loris poisonious?
Yes. They are the only primates with a poisonous bite.
Are crane flies poisonious if eaten by a cat?
actually based on my research that is perfectly health for cats to do, as long as the is no pesticide on the fly
What are outdoors spiders?
Spiders that are outside
Are all spiders poisonious?
No.
Is poop poisonious?
No!!!!!
What bugs are poisonious?
Bumble bees, carpenter bees, paper wasps, yellow jackets, honey bees, Africanized honey bees, (There are 7 species of honey bees ), fire ants, harvester ants, army ants, (about 10,000 species of ants), Black widow spiders, tarantulas, wolf spiders, brown recluse spiders, hobo spiders, yellow sac spiders, banana spiders, funnel-web spiders, white tailed spiders, six-eyed crab spiders, scorpions, some caterpillars are venomous to touch. Hope that helped some.......(there is many more)
Is lead poisonious if it get incide you?
No
Are daddy long leg spiders really poisonious?
Daddy Long Legs ARE poisonious. BUT, there fangs are toosmall to attack a human so there not a danger to us. BUt for insects they are.
Are chameleons poisonious?
most likely not
Does human have poison?
No, humans are not poisonious.
Is the root of a rose plant poisonious?
no
Are water spiders dangerous?
Water spiders, also known as diving bell spiders, are not dangerous to humans. They primarily feed on aquatic insects and small fish and pose no threat to people. They are more known for their unique ability to spend long periods underwater due to their bubble-like webs.
Can you eat a porpoise?
Yes, you can eat it they are not poisonious
Are salamanders poisonious?
some are some arent
Where do spiders poop?
Spiders release waste through an opening called the anus located at the end of their abdomen. They typically produce tiny, dry feces called "frass," which may be found near their silk webs or within their burrows.
