Orb Weaver Spider Picture

Question: Saw this spider the other day walking through a park. I've never seen this type before. What is it? Is it poisonous?

Answer: Can you tell me what part of the U.S. you are seeing this, and how big it is?

Question: About 1-1.5 inches total and this was in London Ontario.

Answer: Orb Weaver Spider - I have a page on Orkin.com you can look at: www.orkin.com/other/spiders/orb-weaver-spiders/