Aptostichus lucerne (Deadman’s Trapdoor Spider)

[surroundx]

Commonly called the Deadman’s trapdoor spider, it was only ever recorded on a single day: 25 October, 1957, in San Bernardino County, California, USA.

Source:

Bond, Jason E. (2012). Phylogenetic treatment and taxonomic revision of the trapdoor spider genus Aptostichus Simon (Araneae, Mygalomorphae, Euctenizidae). ZooKeys 252: 1-209.

[Sebbe]

Aptostichus specimen collected from Sawtooth Canyon, San Bernardino County which is close to the type locality of Aptostichus lucerne and could be this species.

bugguide.net/node/view/1404236/bgimage