Wolf spiders are described as vagrant hunters who forage on the ground for prey. Although not aggressive their bite is painful and can cause local pain and swelling.
Reference; Honan P. Wild Australia Guide – Spiders
Further reference available - http://www.wolfspiders.org/
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Wolf spiders are in principle venomous and their venom is poisonous. Bites that penetrates the skin can cause pain, swelling and itchiness. Some people only experience the symptoms for a few minutes, while others get a wound that takes a few days to heal. Source: http://www.wolfspiders.org/