''Euathlus'' is a genus of South American tarantulas that was first described by

Anton Ausserer Anton Ausserer (5 July 184320 July 1889)Maurer, Ferdinand: ''Nachruf an Dr. Anton Ausserer.'' Programm des kk. acad. Gymnasiums in Grätz. Graz 1890 was an Austrian naturalist specialising in spiders.Bonnet, Pierre: Bibliographia aranearum, Les ...

in 1875. These spiders are medium sized and are usually found in high elevations in the Andes. It is a senior synonym of ''Paraphysa'', and was formerly considered a senior synonym of '' Brachypelma'', but this was later rejected.

Diagnosis

Males own a palpal bulb with two

prolateral This glossary describes the terms used in formal descriptions of spiders; where applicable these terms are used in describing other arachnids. Links within the glossary are shown . Terms A Abdomen or opisthosoma: One of the two main body part ...

keels, with the tip curved retrolaterally. The tibial apophyses has retrolateral spines and a

spine Spine or spinal may refer to: Science Biology * Vertebral column, also known as the backbone * Dendritic spine, a small membranous protrusion from a neuron's dendrite * Thorns, spines, and prickles, needle-like structures in plants * Spine (zoolog ...

on the

retrolateral Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position ...

branch which almost reached the apex. And a urticating patch in the center of the opisthosoma, which own mainly type 3 and 4 urticating hairs. Females also can be distinguished by two 4 sided spermathecal receptacles, with sphere like chambers.

Species

it contains fourteen species, found in Argentina, Chile and Peru: *''

Euathlus affinis ''Euathlus affinis'' is a species of spider belonging to the family Theraphosidae (tarantulas). It is native to Chile. Taxonomy The species was first described in 1849 as ''Mygale affinis''. However, ''Mygale'' had been used previously for a gen ...

'' (Nicolet, 1849) – Chile *'' Euathlus antai'' Perafán & Pérez-Miles, 2014 – Chile *'' Euathlus atacama'' Perafán & Pérez-Miles, 2014 – Chile *'' Euathlus condorito'' Perafán & Pérez-Miles, 2014 – Chile *'' Euathlus diamante'' Ferretti, 2015 – Argentina *'' Euathlus grismadoi'' Ríos-Tamayo, 2020 – Argentina *'' Euathlus manicata'' ( Simon, 1892) – Chile *'' Euathlus mauryi'' Ríos-Tamayo, 2020 – Argentina *'' Euathlus pampa'' Ríos-Tamayo, 2020 – Argentina *'' Euathlus parvulus'' (

Pocock Pocock is a surname, and may refer to: *Andrew Pocock (born 1955), British High Commissioner to Nigeria * Barbara Pocock, one of the candidates of the 2022 Australian federal election * Bill Pocock (1884–1959), English footballer * Blair Pocock ...

, 1903) – Chile *''

Euathlus sagei ''Euathlus'' is a genus of South American tarantulas that was first described by Anton Ausserer in 1875. These spiders are medium sized and are usually found in high elevations in the Andes. It is a senior synonym of ''Paraphysa'', and was formerl ...

'' Ferretti, 2015 – Argentina *''

Euathlus tenebrarum ''Euathlus'' is a genus of South American tarantulas that was first described by Anton Ausserer in 1875. These spiders are medium sized and are usually found in high elevations in the Andes. It is a senior synonym of ''Paraphysa'', and was form ...

'' Ferretti, 2015 – Argentina *''

Euathlus truculentus ''Euathlus'' is a genus of South American tarantulas that was first described by Anton Ausserer in 1875. These spiders are medium sized and are usually found in high elevations in the Andes. It is a senior synonym of ''Paraphysa'', and was formerl ...

'' L. Koch, 1875 (

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. * Ty ...

) – Chile, Argentina *'' Euathlus vanessae'' Quispe-Colca & Ferretti, 2021 – Peru

In synonymy

*''E. phryxotrichoides'' (Strand, 1907) = ''

Nomen dubium In binomial nomenclature, a ''nomen dubium'' (Latin for "doubtful name", plural ''nomina dubia'') is a scientific name that is of unknown or doubtful application. Zoology In case of a ''nomen dubium'' it may be impossible to determine whether a s ...

* ''Euathlus roseus'' (Guérin, 1838) - Chile

Transferred to other genera

References