Cybaeozyga heterops

{{Short description|Species of spider}} {{Speciesbox | taxon = Cybaeozyga heterops | authority = [[Ralph Vary Chamberlin|Chamberlin]] & [[Wilton Ivie|Ivie]], 1937 }}

'''''Cybaeozyga heterops''''' is a species of [[North America]]n [[Araneomorphae|araneomorph]] spider in the family [[Cybaeidae]]. It was first described by [[Ralph Vary Chamberlin|R. V. Chamberlin]] & [[Wilton Ivie]] in 1937 as the [[type species]] of the genus ''[[Cybaeozyga]]''.<ref name=Cham1937>{{cite journal| last1=Chamberlin| first1=R. V.| last2=Ivie| first2=W.| year=1937| title=New spiders of the family Agelenidae from western North America.| journal=Annals of the Entomological Society of America| pages=211–230| volume=30| issue=2| doi=10.1093/aesa/30.2.211}}</ref>

==Description== The male has a total body length of 2.70 mm, with a carapace length of 1.20 mm and width of 0.95 mm. The cephalothorax and appendages are light yellowish brown, with the carapace displaying dusky markings on the side margins and on the top and sides of the head region. The sternum has indistinct dusky markings, and the legs are lightly annulated. The abdomen is dark gray above with light marks typical of the genus ''Cybaeus'', while the underside is pale with two dark longitudinal streaks.<ref name=Cham1937/>

==Distribution and habitat== ''Cybaeozyga heterops'' is known from the [[Klamath Mountains]] region. The [[holotype]] was collected at Grave Creek, [[Oregon]], near [[Klamath Falls]], by R. V. Chamberlin and W. Ivie on September 9, 1935.<ref name=Cham1937/> The species appears to inhabit forests and caves within the Klamath Mountains ecoregion of northwestern [[California]] and southwestern [[Oregon]].<ref name=Hedin2025>{{cite journal |last1=Hedin |first1=M. |last2=Ramírez |first2=M. J. |last3=Monjaraz-Ruedas |first3=R. |title=Phylogenomics of North American cybaeid spiders (Araneae, Cybaeidae), including the description of new taxa from the Klamath Mountains Geomorphic Province |journal=ZooKeys |issue=1226 |pages=47–75 |year=2025 |doi=10.3897/zookeys.1226.140204 |bibcode=2025ZooK.1226...47H |doi-access=free |pmc=11826229 }}</ref>

==References== {{Reflist}}

[[Category:Cybaeidae]] [[Category:Endemic spiders of the United States]] [[Category:Spiders described in 1937]] [[Category:Taxa named by Wilton Ivie]] [[Category:Taxa named by Ralph Vary Chamberlin]]