''Cybaeopsis'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of tangled nest spiders first described by

Embrik Strand Embrik Strand (2 June 1876 – 3 November 1947) was an entomologist and arachnologist who classified many insect and spider species including the greenbottle blue tarantula. Life and career Strand was born in Ål, Norway. He studied at ...

in 1907, and transferred from

Agelenidae The Agelenidae are a large family of spiders in the suborder Araneomorphae. Well-known examples include the common "grass spiders" of the genus ''Agelenopsis''. Nearly all Agelenidae are harmless to humans, but the bite of the hobo spider (''Erat ...

Amaurobiidae ''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 cru ...

Pekka T. Lehtinen Pekka T. Lehtinen (born 1934) is a Finnish arachnologist and taxonomist. He is known for his works in systematics and for the many expeditions in which he has participated. Biography Lehtinen was born on 5 April 1934 in a small village, Pargas, ...

in 1967. They all occur in North America except for three species; ''C. lodovicii'', ''C. theoblicki'' and ''C. typica''. Members of this genus closely resemble those of the genus ''

Callobius ''Callobius'' is a genus of tangled nest spiders first described by R. V. Chamberlin in 1947. Species it contains thirty-one species with a holarctic The Holarctic realm is a biogeographic realm that comprises the majority of habitats fo ...

'', especially the females. It is considered a

senior synonym The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linna ...

of ''Callioplus'', but not of ''Alauximus'', which is a synonym of ''Tugana''.

Species

The former ''C. crassa'' and ''C. infumata'' have both been moved to the Cuban genus, ''

Tugana ''Tugana'' is a genus of Caribbean tangled nest spiders first described by R. V. Chamberlin in 1948. Species it contains four species, found in Cuba and Hispaniola Hispaniola (, also ; es, La Española; Latin and french: Hispaniola; ...

'', and several species have synonyms with the name "Amaurobius", such as ''C. armipotens'' and ''C tibialis''. this genus contains twelve species: *''

Cybaeopsis armipotens ''Cybaeopsis'' is a genus of tangled nest spiders first described by Embrik Strand in 1907, and transferred from Agelenidae to Amaurobiidae by Pekka T. Lehtinen in 1967. They all occur in North America except for three species; ''C. lodovicii'', ...

'' (Bishop & Crosby, 1926) – USA *''

Cybaeopsis euopla ''Cybaeopsis euopla'' 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 ...

'' (Bishop & Crosby, 1935) – USA, Canada *''

Cybaeopsis hoplites ''Cybaeopsis'' is a genus of tangled nest spiders first described by Embrik Strand in 1907, and transferred from Agelenidae to Amaurobiidae by Pekka T. Lehtinen in 1967. They all occur in North America except for three species; ''C. lodovicii ...

'' (Bishop & Crosby, 1926) – USA *'' Cybaeopsis hoplomachus'' (Bishop & Crosby, 1926) – USA *''

Cybaeopsis lodovicii ''Cybaeopsis'' is a genus of Amaurobiidae, tangled nest spiders first described by Embrik Strand in 1907, and transferred from Agelenidae to Amaurobiidae by Pekka T. Lehtinen in 1967. They all occur in North America except for three species; ''C. ...

'' Ballarin & Pantini, 2022 – Italy *'' Cybaeopsis macaria'' (Chamberlin, 1947) – USA *'' Cybaeopsis pantopla'' (Bishop & Crosby, 1935) – USA *''

Cybaeopsis spenceri ''Cybaeopsis'' is a genus of tangled nest spiders first described by Embrik Strand in 1907, and transferred from Agelenidae to Amaurobiidae by Pekka T. Lehtinen in 1967. They all occur in North America except for three species; ''C. lodovicii'', ...

'' (Leech, 1972) – USA *''

Cybaeopsis theoblicki ''Cybaeopsis'' is a genus of tangled nest spiders first described by Embrik Strand in 1907, and transferred from Agelenidae to Amaurobiidae by Pekka T. Lehtinen in 1967. They all occur in North America except for three species; ''C. lodovicii ...

'' (Bosmans, 2021) – Portugal *''

Cybaeopsis tibialis ''Cybaeopsis'' is a genus of tangled nest spiders first described by Embrik Strand in 1907, and transferred from Agelenidae to Amaurobiidae by Pekka T. Lehtinen in 1967. They all occur in North America except for three species; ''C. lodovicii ...

'' (Emerton, 1888) – USA, Canada *''

Cybaeopsis typica ''Cybaeopsis'' is a genus of tangled nest spiders first described by Embrik Strand in 1907, and transferred from Agelenidae to Amaurobiidae by Pekka T. Lehtinen in 1967. They all occur in North America except for three species; ''C. lodovicii'', ...

'' Strand, 1907 – Russia (Sakhalin, Kurile Is.), Japan *''

Cybaeopsis wabritaska ''Cybaeopsis wabritaska'' 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 pitf ...

'' (Leech, 1972) – USA, Canada

References

Amaurobiidae Araneomorphae genera Spiders of North America Taxa named by Embrik Strand {{Amaurobiidae-stub