Amphidraus

Amphidraus is a genus of South American jumping spiders first described by Eugène Simon in 1900.[2] It was previously considered a synonym of Nebridia,[3] but this was later rejected by Jerzy Prószyński, who claimed that merging the two genera wasn't supported by previous diagnostic drawings.[4]

Amphidraus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Salticidae
Subfamily: Salticinae
Genus: Amphidraus
Simon, 1900[1]
Type species
Amphidraus auriga
Simon, 1900[1]
Species

See text.

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.[5]

Species

As of February 2019, the World Spider Catalog accepted the following species:[1]

  • Amphidraus araripe Salgado & Ruiz, 2019 – Brazil
  • Amphidraus argentinensis Galiano, 1997 – Argentina
  • Amphidraus auriga Simon, 1900 – Bolivia
  • Amphidraus belzonte Salgado & Ruiz, 2017 – Brazil
  • Amphidraus bifidus Salgado & Ruiz, 2017 – Brazil
  • Amphidraus boxhica Galvis, 2017 – Colombia
  • Amphidraus boomerang Salgado & Ruiz, 2019 – Brazil
  • Amphidraus caziuanan Salgado & Ruiz, 2017 – Brazil
  • Amphidraus chie Galvis, 2017 – Colombia
  • Amphidraus colombianus Galvis, 2017 – Colombia
  • Amphidraus complexus Zhang & Maddison, 2012 – Ecuador
  • Amphidraus cornipalpis Salgado & Ruiz, 2019 – Brazil
  • Amphidraus draconicaudatus Salgado & Ruiz, 2017 – Brazil
  • Amphidraus draconitupan Salgado & Ruiz, 2019 – Brazil
  • Amphidraus duckei Galiano, 1967 – Brazil
  • Amphidraus guaitipan Galvis, 2017 – Colombia
  • Amphidraus guatavita Galvis, 2017 – Colombia
  • Amphidraus janauari 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
  1. "Gen. Amphidraus Simon, 1900", World Spider Catalog, Natural History Museum Bern, retrieved 2019-03-05
  2. Simon, E. (1900). "Etudes arachnologiques. 30e Mémoire. XLVII. Descriptions d'espèces nouvelles de la famille des Attidae". Annales de la Société Entomologique de France. 69: 27–61.
  3. Zhang, J. X.; Maddison, W. P. (2015). "Genera of euophryine jumping spiders (Araneae: Salticidae), with a combined molecular-morphological phylogeny". Zootaxa. 3938 (1): 1–147. doi:10.11646/zootaxa.3938.1.1. PMID 25947489.
  4. Prószyński, J. (2017). "Pragmatic classification of the world's Salticidae (Araneae)". Ecologica Montenegrina. 12: 73. doi:10.37828/em.2017.12.1.
  5. Salgado, A.; Ruiz, G. R. S. (2019). "Seven new species of Amphidraus Simon, 1900 (Araneae: Salticidae: Euophryini)". Zootaxa. 4563 (3): 451–481. doi:10.11646/zootaxa.4563.3.3. PMID 31716529. S2CID 91853537.
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