http://usq.edu.au/spider/find/spiders/110.htm
Not very toxic - but may course Necrotising arachnidism: Progressive ulceration and loss of skin around the site of a biting by a number of araneomorph spider species. Its cause is uncertain and for this reason no fully effective treatments are available at the present time.
May also course anaphylactic shock – but it would be pretty hard to get one of these guys to bite. They tend to fall to the ground when startled.