Wasp sting?? Try avoiding, brown snakes and king snakes on the bike paths, red backs, white tail spiders, huntsmen spiders not poisonous but huge and Hairy, thats on the land!! then you have stingers, blue bottle jelly fish, stonefish, salt water crocs, stingrays, ask Steve Irwin!! and of course sharks!! funnily enough the cooler waters near us in Melbourne attract the real big buggers!!