''Amphidraus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...

n 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 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 The World Spider Catalog (WSC) is an online searchable database concerned with spider taxonomy. It aims to list all accepted families, genera and species, as well as provide access to the related taxonomic literature. The WSC began as a series of ...

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'' 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'' 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