''Xenesthis'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

tarantulas Tarantulas comprise a group of large and often hairy spiders of the Family (biology), family Theraphosidae. , 1,100 species have been identified, with 166 genera. The term "tarantula" is usually used to describe members of the family Therap ...

that was first described by

Eugène Louis Simon Eugene is a common male given name that comes from the Greek εὐγενής (''eugenēs''), "noble", literally "well-born", from εὖ (''eu''), "well" and γένος (''genos''), "race, stock, kin".Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...

and

Venezuela Venezuela, officially the Bolivarian Republic of Venezuela, is a country on the northern coast of South America, consisting of a continental landmass and many Federal Dependencies of Venezuela, islands and islets in the Caribbean Sea. It com ...

, though it was previously considered to be found in

Panama Panama, officially the Republic of Panama, is a country in Latin America at the southern end of Central America, bordering South America. It is bordered by Costa Rica to the west, Colombia to the southeast, the Caribbean Sea to the north, and ...

Diagnosis

There distinguishing factor is based on the

scopulae Scopulae, or scopula pads, are dense tufts of hair at the end of a spider's legs. They are found mostly on hunting spiders, for example Salticidae and Sparassidae. Scopulae consist of microscopic hairs, known as setae, which are each covered in ev ...

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 The term "New World" is used to describe the majority of lands of Earth's Western Hemisphere, particularly the Americas, and sometimes Oceania."America." ''The Oxford Companion to the English Language'' (). McArthur, Tom, ed., 1992. New York: ...

tarantula Tarantulas comprise a group of large and often hairy spiders of the family Theraphosidae. , 1,100 species have been identified, with 166 genera. The term "tarantula" is usually used to describe members of the family Theraphosidae, although ...

genus to own this trait, which is not the case today.

Species

it contains 5 species according to 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 ...

: * ''

Xenesthis avanzadora ''Xenesthis'' is a genus of Theraphosidae, tarantulas that was first described by Eugène Simon, Eugène Louis Simon in 1891. it contains five species, found in Colombia and Venezuela, though it was previously considered to be found in Panama. ...

'' Sherwood, Gabriel, Peñaherrera-R., Brescovit & Lucas, 2023 –

* ''

Xenesthis colombiana ''Xenesthis'' is a genus of tarantulas that was first described by Eugène Louis Simon in 1891. it contains five species, found in Colombia and Venezuela, though it was previously considered to be found in Panama. Diagnosis There distinguishi ...

'' Simon, 1891 (

Type Type may refer to: Science and technology Computing * Typing, producing text via a keyboard, typewriter, etc. * Data type, collection of values used for computations. * File type * TYPE (DOS command), a command to display contents of a file. * ...

) –

Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...

* ''

Xenesthis immanis ''Xenesthis immanis'', the Colombian lesser black tarantula,''Common Names of Arachnids'', American Arachnological Society (2003) is a terrestrial bird spider (tarantula) found in Colombia, Venezuela, and Peru. It is a relatively large spider wit ...

'' (Ausserer, 1875) –

and

* ''

Xenesthis intermedia ''Xenesthis'' is a genus of tarantulas that was first described by Eugène Louis Simon in 1891. it contains five species, found in Colombia and Venezuela, though it was previously considered to be found in Panama. Diagnosis There distinguishi ...

'' Schiapelli & Gerschman, 1945 –

* ''

Xenesthis monstrosa ''Xenesthis'' is a genus of tarantulas that was first described by Eugène Louis Simon in 1891. it contains five species, found in Colombia and Venezuela, though it was previously considered to be found in Panama. Diagnosis There distinguishi ...

'' Pocock, 1903 –

Transferred to other genera

* ''Xenesthis cubana'' Franganillo, 1930 → '' Citharacanthus spinicrus''

References

Theraphosidae genera Spiders of South America Theraphosidae Taxa named by Eugène Simon {{Theraphosidae-stub

Diagnosis

Species

Transferred to other genera

See also

References