Cybaeopsis

Cybaeopsis is a genus of tangled nest spiders first described by Embrik Strand in 1907,^[3] and transferred from Agelenidae to Amaurobiidae by Pekka T. Lehtinen in 1967.^[4] They all occur in North America except for three species; C. lodovicii, C. theoblicki and C. typica.^[1][5]

Cybaeopsis
Cybaeopsis wabritaska
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Araneae
Infraorder:	Araneomorphae
Family:	Amaurobiidae
Genus:	Cybaeopsis Strand, 1907[1]
Type species
C. typica Strand, 1907
Species
12, see text
Synonyms[1]
Callioplus Bishop & Crosby, 1935[2]

Members of this genus closely resemble those of the genus Callobius, especially the females.^[5] It is considered a senior synonym of Callioplus,^[2] but not of Alauximus, which is a synonym of Tugana.^[5]

Species

The former C. crassa and C. infumata have both been moved to the Cuban genus, Tugana, and several species have synonyms with the name "Amaurobius", such as C. armipotens and C tibialis.

As of December 2024^[update] this genus contains twelve species:^[1]

• Cybaeopsis armipotens (Bishop & Crosby, 1926) – USA
• Cybaeopsis euopla (Bishop & Crosby, 1935) – USA, Canada
• Cybaeopsis hoplites (Bishop & Crosby, 1926) – USA
• Cybaeopsis hoplomachus (Bishop & Crosby, 1926) – USA
• Cybaeopsis lodovicii Ballarin & Pantini, 2022 – Italy
• Cybaeopsis macaria (Chamberlin, 1947) – USA
• Cybaeopsis pantopla (Bishop & Crosby, 1935) – USA
• Cybaeopsis spenceri (Leech, 1972) – USA
• Cybaeopsis theoblicki (Bosmans, 2021) – Portugal
• Cybaeopsis tibialis (Emerton, 1888) – USA, Canada
• Cybaeopsis typica Strand, 1907 – Russia (Sakhalin, Kurile Is.), Japan
• Cybaeopsis wabritaska (Leech, 1972) – USA, Canada