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Microhexura

Pygmy Funnel-web Spiders
Spruce-fir moss spider (M. montivaga)
M. montivaga
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Mygalomorphae
Clade: Avicularioidea
Family: Microhexuridae
Genus: Microhexura
Crosby & Bishop, 1925[1]
Type species
M. montivaga[1]
Crosby & Bishop, 1925
Species
  • M. idahoana Chamberlin & Ivie, 1945
  • M. montivaga Crosby & Bishop, 1925
blue: reported countries (WSC)

Microhexura is a genus of tiny North American spiders that was first described by C. R. Crosby & S. C. Bishop in 1925.[1][2] It is the only genus in the family Microhexuridae,[3] with two described species, both found in the United States: M. idahoana and M. montivaga.[1]

M. montivaga occurs in the higher peaks of the Blue Ridge Mountains of North Carolina and Tennessee. M. idahoana occurs further west, in the Cascades, the Blue Mountains, and the northern Rocky Mountains.[4]

M. montivaga is considered endangered. M. idahoana is widespread in old growth from Mount Rainier southward.[5]

Species

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As of January 2026, this genus includes two species:[1]

References

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  1. ^ a b c d e "Gen. Crosby & Bishop, 1925". World Spider Catalog. doi:10.24436/2. Retrieved 2026-01-17.
  2. ^ Crosby, C. R.; Bishop, S. C. (1925). "Two new spiders from the Blue Ridge Mountains of North Carolina". Entomological News. 36: 142–146.
  3. ^ "Family: Microhexuridae Bond, Opatova & Hedin, 2020". World Spider Catalog. Natural History Museum Bern. Retrieved 2020-07-15.
  4. ^ "Genus Microhexura". BugGuide. Retrieved 2019-06-01.
  5. ^ Crawford, Rod (2006). "Spider Collector's Journal (16th page: 2006)". Scarabs: The Bug Society. Retrieved 2019-06-01.
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