''Eupoa'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

spider Spiders (order Araneae) are air-breathing arthropods that have eight legs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species d ...

s in the family

Salticidae Jumping spiders are a group of spiders that constitute the family Salticidae. As of 2019, this family contained over 600 described genera and over 6,000 described species, making it the largest family of spiders at 13% of all species. Jumping spi ...

(jumping spiders). Originally known only from one species from

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making it ...

, several other species have been described since 1997, all from China. Spiders of this genus have unusual

pedipalp Pedipalps (commonly shortened to palps or palpi) are the second pair of appendages of chelicerates – a group of arthropods including spiders, scorpions, horseshoe crabs, and sea spiders. The pedipalps are lateral to the chelicerae ("jaws") a ...

s, and do probably not belong to the

Salticoida Salticoida is an unranked clade of the jumping spider family Salticidae. It is the larger and more widespread of the two subdivisions of the "typical" jumping spiders (subfamily Salticinae), occurring effectively world-wide. Its sister clade is ...

, the main clade of jumping spiders. It is

basal Basal or basilar is a term meaning ''base'', ''bottom'', or ''minimum''. Science * Basal (anatomy), an anatomical term of location for features associated with the base of an organism or structure * Basal (medicine), a minimal level that is nec ...

, but placement is not yet clear. Possibly ''Eupoa'' has branched from other basal groups like

Lyssomaninae Lyssomaninae is a subfamily of jumping spiders. It includes four genera, three from the New World. Description Members of the subfamily Lyssomaninae are mostly green or yellow, and have long legs compared to other salticids. The anterior late ...

Spartaeinae The Spartaeinae are a subfamily of the spider family Salticidae (jumping spiders). The subfamily was established by Fred R. Wanless in 1984 to include the groups Boetheae, Cocaleae, Lineae, Codeteae and Cyrbeae, which in turn were defined by Eu ...

a long time ago.Maddison ''et al.'' 2007:21 Specimens of ''E. prima'' were collected from leaf litter.Murphy & Murphy 2000: 292

Description

''Eupoa'' are small salticids, with ''E. prima'' only reaching about 2 mm in both sexes. Although not closely related, it looks a bit like ''

Neon Neon is a chemical element with the symbol Ne and atomic number 10. It is a noble gas. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. It was discovered (along with krypt ...

'', another litter dwelling species. The abdomen is dark with light elongate transversal patches.

Species

* '' Eupoa hainanensis'' Peng & Kim, 1997 – China (

Hainan Hainan (, ; ) is the smallest and southernmost province of the People's Republic of China (PRC), consisting of various islands in the South China Sea. , the largest and most populous island in China,The island of Taiwan, which is slight ...

) * '' Eupoa jingwei'' Maddison & Zhang, 2007 – China ( Guangxi) * ''

Eupoa liaoi ''Eupoa'' is a genus of spiders in the family Salticidae (jumping spiders). Originally known only from one species from Vietnam, several other species have been described since 1997, all from China. Spiders of this genus have unusual pedipalps, ...

'' Peng & Li, 2006 – China * '' Eupoa maculata'' Peng & Kim, 1997 – China (Hainan) * '' Eupoa nezha'' Maddison & Zhang, 2007 – China * ''

Eupoa prima ''Eupoa prima'' is a species of jumping spider from Vietnam. Described in 1985, it was for some time the only described species in the genus ''Eupoa''; however, since 1997 six new species have been reported. Description Both sexes are one to two ...

'' Zabka, 1985 –

* ''

Eupoa yunnanensis ''Eupoa'' is a genus of spiders in the family Salticidae (jumping spiders). Originally known only from one species from Vietnam, several other species have been described since 1997, all from China. Spiders of this genus have unusual pedipalps, ...

'' Peng & Kim, 1997 – China (

Yunnan Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the ...

)

Footnotes

References

* (2000): An Introduction to the Spiders of South East Asia. ''Malaysian Nature Society'', Kuala Lumpur. * (2007): A basal phylogenetic placement for the salticid spider Eupoa, with descriptions of two new species (Araneae: Salticidae). ''Zootaxa'' 1432: 23-33
Abstract
* (2009)

version 9.5. ''American Museum of Natural History''.

External links

* Salticidae.org

of most species {{Taxonbar, from=Q1944181 Salticidae genera Spiders of Asia Salticidae