''Callobius pictus'' is a species of

hacklemesh weaver ''Amaurobiidae'' is a family of three-clawed cribellate or ecribellate spiders found in crevices and hollows or under stones where they build retreats, and are often collected in pitfall traps. Unlidded burrows are sometimes quite obvious in crus ...

in the

spider Spiders ( order Araneae) are air-breathing arthropods that have eight legs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species ...

family Amaurobiidae. It is found in the United States and Canada.

References

Amaurobiidae Articles created by Qbugbot Spiders described in 1884 {{amaurobiidae-stub