Tags: Arachnid.
Progradungula carraiensis or Carrai cave spider is a cribellate spider found only in the moist forests and limestone caves of the Carrai Plateau in northern New South Wales. It is one of only two species in the gradungulid genus Progradungula.These spiders are 8 to 12 mm long with long and slender legs. They specialize in eating insects that feed on bat guano in the Carrai Plateau caves.To catch prey they build a special web with an upper network of threads attached to the rock walls.