Aptostichus is a genus of North American mygalomorph spiders in the family Euctenizidae, and was first described by Eugène Simon in 1891.[3] They are found predominantly in southern California, United States.[2][4]
Members of the North American genus, Aptostichus, assemble tunnels with side chambers, but they do not close these chambers with additional trapdoors.[5]
As of May 2019 it contains forty-one species in the United States and Mexico:[1]
Aptostichus is a genus of North American mygalomorph spiders in the family Euctenizidae, and was first described by Eugène Simon in 1891. They are found predominantly in southern California, United States.
