''Amphidraus'' is a genus of South American jumping spiders first described by

Eugène Simon Eugène Louis Simon (; 30 April 1848 – 17 November 1924) was a French naturalist who worked particularly on insects and spiders, but also on birds and plants. He is by far the most prolific spider taxonomist in history, describing over 4, ...

in 1900. It was previously considered a synonym of ''

Nebridia ''Nebridia'' is a monotypic genus of Venezuelan jumping spiders containing the single species, ''Nebridia semicana''. It was first described by Eugène Louis Simon in 1902, and is only found in Venezuela. It was briefly considered a synonym of ''A ...

'', but this was later rejected by

Jerzy Prószyński Jerzy Prószyński (born 1935 in Warsaw) is a Polish arachnologist specializing in systematics of jumping spiders (family Salticidae). He is a graduate of the University of Warsaw, a long-term employee of the Siedlce University of Natural Scienc ...

, who claimed that merging the two genera wasn't supported by previous diagnostic drawings. Members of this genus most closely resemble those of '' Marma'' and the monotypic genus '' Yacuitella''. All three genera have a projection on the embolic disc that is independent from the embolus and a

conductor Conductor or conduction may refer to: Music * Conductor (music), a person who leads a musical ensemble, such as an orchestra. * ''Conductor'' (album), an album by indie rock band The Comas * Conduction, a type of structured free improvisation ...

on the distal retro-ventral region of the cymbium, though it is membranous in ''Amphidraus'' and ''Yacuitella'' and sclerotized in ''Marma''. Spiders of ''Amphidraus'' can be distinguished from these other two by the presence of both a proximal tegular lobe and a cylindrical embolic filament that emerges from the distal region of the embolus shaft.

Species

, the World Spider Catalog accepted the following species: *'' Amphidraus araripe'' Salgado & Ruiz, 2019 – Brazil *'' Amphidraus argentinensis'' Galiano, 1997 – Argentina *''

Amphidraus auriga ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gener ...

'' Simon, 1900 – Bolivia *'' Amphidraus belzonte'' Salgado & Ruiz, 2017 – Brazil *''

Amphidraus bifidus ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gene ...

'' Salgado & Ruiz, 2017 – Brazil *'' Amphidraus boxhica'' Galvis, 2017 – Colombia *'' Amphidraus boomerang'' Salgado & Ruiz, 2019 – Brazil *'' Amphidraus caziuanan'' Salgado & Ruiz, 2017 – Brazil *''

Amphidraus chie ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gene ...

'' Galvis, 2017 – Colombia *''

Amphidraus colombianus ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gene ...

'' Galvis, 2017 – Colombia *''

Amphidraus complexus ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gene ...

'' Zhang & Maddison, 2012 – Ecuador *''

Amphidraus cornipalpis ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gene ...

'' Salgado & Ruiz, 2019 – Brazil *''

Amphidraus draconicaudatus ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gene ...

'' Salgado & Ruiz, 2017 – Brazil *''

Amphidraus draconitupan ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gene ...

'' Salgado & Ruiz, 2019 – Brazil *''

Amphidraus duckei ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gene ...

'' Galiano, 1967 – Brazil *''

Amphidraus guaitipan ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gene ...

'' Galvis, 2017 – Colombia *''

Amphidraus guatavita ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gene ...

'' Galvis, 2017 – Colombia *''

Amphidraus janauari ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gene ...

'' Salgado & Ruiz, 2017 – Brazil *'' Amphidraus loxodontillus'' Salgado & Ruiz, 2017 – Brazil *'' Amphidraus mae'' Galvis, 2017 – Colombia *'' Amphidraus manauara'' Salgado & Ruiz, 2019 – Brazil *'' Amphidraus mysticetus'' Salgado & Ruiz, 2017 – Brazil *'' Amphidraus nigrigenu'' Salgado & Ruiz, 2017 – Brazil *'' Amphidraus pae'' Galvis, 2017 – Colombia *'' Amphidraus pulvinus'' Salgado & Ruiz, 2017 – Brazil *'' Amphidraus quimbaya'' Galvis, 2017 – Colombia *'' Amphidraus quinini'' Galvis, 2017 – Colombia *'' Amphidraus sacrificatus'' Salgado & Ruiz, 2019 – Brazil *''

Amphidraus santanae ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gene ...

'' Galiano, 1967 – Brazil *'' Amphidraus shenlong'' Salgado & Ruiz, 2019 – Brazil *'' Amphidraus sie'' Galvis, 2017 – Colombia *'' Amphidraus sikuani'' Galvis, 2017 – Colombia *'' Amphidraus simplex'' Salgado & Ruiz, 2017 – Brazil *'' Amphidraus somondoco'' Galvis, 2017 – Colombia *'' Amphidraus sotairensis'' Galvis, 2017 – Colombia *''

Amphidraus sua ''Amphidraus'' is a genus of South American jumping spiders first described by Eugène Simon in 1900. It was previously considered a synonym of ''Nebridia'', but this was later rejected by Jerzy Prószyński, who claimed that merging the two gener ...

'' Galvis, 2017 – Colombia *'' Amphidraus tanimuca'' Galvis, 2017 – Colombia *'' Amphidraus tisquesusa'' Galvis, 2017 – Colombia *'' Amphidraus tundama'' Galvis, 2017 – Colombia *'' Amphidraus zaque'' Galvis, 2017 – Colombia *'' Amphidraus zipa'' Galvis, 2017 – Colombia

References

External links

Photographs of ''A. duckei'' and several other ''Amphidraus'' species from Brazil
Salticidae Spiders of South America Salticidae genera {{Salticidae-stub