Uliodon is a genus of spiders endemic to New Zealand and possibly Australia. They are commonly referred to as vagrant spiders. Vagrant spiders vary in colour from dark brown to almost black, they typically have a body length of 20mm and a 50mm leg span. When alive, the interior of the male's pedipalp are brightly coloured (usually orange).

They are nocturnal hunters, feeding on ground-dwelling invertebrates. During the day they are found under logs and rocks. They can be found in a variety of habitats: native forest and plantations, or more open habitat, but also scree slopes and occasionally in houses.

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