Biology:Xenesthis

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Short description: Genus of spiders

Xenesthis
Xenesthis immanis.jpg
X. immanis
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Mygalomorphae
Family: Theraphosidae
Genus: Xenesthis
Simon, 1891[1]
Type species
X. immanis
(Ausserer, 1875)
Species

4, see text

Xenesthis is a genus of tarantulas that was first described by Eugène Louis Simon in 1891.[2] (As of May 2020) it contains four species, found in Colombia and Venezuela, though it was previously considered to be found in Panama.[3]

Diagnosis

There distinguishing factor is based on the scopulae of the metatarsus 4 is covering nearly the entire length and circumference of the segment. At the time it was the only known New World tarantula genus to own this trait, which is not the case today.[3]

Species

(As of July 2022) it contains 4 species according to the world spider catalog:[4]

  • Xenesthis colombiana Simon, 1891 (Type) - Colombia
  • Xenesthis immanis (Ausserer, 1875) - Colombia and Venezuela
  • Xenesthis intermedia Schiapelli & Gerschman, 1945 - Venezuela
  • Xenesthis monstrosa Pocock, 1903 - Colombia

Transferred to other genera

  • Xenesthis cubana Franganillo, 1930Citharacanthus spinicrus

See also

References

  1. Gloor, Daniel; Nentwig, Wolfgang; Blick, Theo; Kropf, Christian (2020). Gen. Xenesthis Simon, 1891. Natural History Museum Bern. doi:10.24436/2. http://www.wsc.nmbe.ch/genus/3440. Retrieved 2020-06-08. 
  2. Simon, E. (1891). "Liste des Aviculariides qui habitent le Mexique et l'Amérique centrale". Actes de la Société Linnéenne de Bordeaux 44: 327–339. 
  3. 3.0 3.1 Gabriel, Ray; Sherwood, Daniella (2022). "Taxonomy, biogeography, and ecology of some theraphosid spiders of the Darién region with description of five new species (Araneae: Theraphosidae)". https://www.researchgate.net/publication/361693893. 
  4. "NMBE - World Spider Catalog". https://wsc.nmbe.ch/genus/3440. 

Wikidata ☰ Q737011 entry