Masoncus
Masoncus is a genus of North American dwarf spiders that was first described by Ralph [Vary Chamberlin] in 1949.
Species
it contains four species, found in Canada and the United States:- Masoncus arienus Chamberlin, 1949 – USA,
- Masoncus conspectus – USA
- Masoncus dux Chamberlin, 1949 – Canada
- Masoncus pogonophilus Cushing, 1995 – USA. Known myrmecophilic association with Pogonomyrmex badius, this spider lives in the nest and feeds on springtails.