Yes, but their fangs are too small to penetrate human skin, so even if your bitten nothing will happen to you. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ I disagree. First of all, poisonous and venomous are two different things...
http://wiki.answers.com/Q/Are_grand_daddy_long_legs_poi...
Yes, they are but there fangs are to tiney to Peirce the skin. They have so much venom it could kill an elephant in1 bite. in fact in 2006 myth busters did a show on this "myth" and proved it busted, however later produced a show ...
http://wiki.answers.com/Q/Are_Daddy_longlegs_the_most_p...
Is the daddy longlegs the world's most poisonous animal? ... Claim: The daddy longlegs is the "world's most poisonous animal." ; Status: False.; Example: [Collected on the Internet, 2000];
www.snopes.com/critters/wild/longlegs.htm www.snopes.com/critters/wild/longlegs.htm
Myth or fact? A daddy longlegs has deadly venom, but cannot bite humans because its fangs are too short to penetrate the skin. Here's your answer. ... Is a Daddy Longlegs Venomous, and Can It Bite Humans?
insects.about.com/od/noninsectarthropods/f/daddylongven... insects.about.com/od/noninsectarthropods/f/daddylongvenom.htm
The truth about daddy longlegs ... There are few more widespread but erroneous urban legends about any arthropod than the one that claims that the daddy longlegs spider is potentially dangerous. Typically, the story goes, "The daddy longlegs is the most poisonous spider in the world, but its jaws are too weak to bite."
www.colostate.edu/Depts/CoopExt/4DMG/Pests/daddy.htm www.colostate.edu/Depts/CoopExt/4DMG/Pests/daddy.htm
Neither crane flies (better known in the UK as daddy longlegs) nor harvestmen (known as daddy longlegs in the US ) contain venom that is dangerous to humans.
http://www.160characters.org/news.php?action=view&nid=2...
Most folks who retell this tale have no idea that they are referring to two completely separate groups of animals: "daddy-longlegs" and "daddy-longlegs spiders". In the animal class Arachnida, there are several lower ... Daddy-Longlegs are one of the most poisonous spiders, but their fangs are too short to bite humans...
spiders.ucr.edu/daddylonglegs.html spiders.ucr.edu/daddylonglegs.html
About daddy longlegs, or harvestmen ... You don't need to be afraid of Daddy Longlegs because they have no venom at all. I know that many people say "Though they have mouthparts so small they can't bite, they have the most poisonous of all venoms in the animal kingdom." This is just one of those "urban myths" going around.
www.backyardnature.net/longlegs.htm www.backyardnature.net/longlegs.htm
All my life I've heard that the Daddy Long Legs spider is the most poisonous spider in the world--but his mouth is too small to bite you. Now I'm beginning to take flack from my buddies in defense of this theory. What can you tell me? — ...
http://www.straightdope.com/columns/read/1447/is-a-dadd...
Are daddy-long-legs poisonous to humans?; ... Was the Opiliones successful in getting the smelly fluid on your fingers (see also the question about daddy-long-legs being poisonous to humans)? If you were a small predator (mouse, bird, spider, etc.) and grabbed the Opiliones, you would get a mouthful of this smelly material.
www.arachnology.org/Arachnology/Pages/Opilio_QandA.html