''Eupoa prima'' is a species of

jumping spider Jumping spiders are a group of spiders that constitute the family (biology), family Salticidae. , this family contained over 600 species description, described genus, genera and over 6,000 described species, making it the largest family of spide ...

from

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

. 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 millimeters long. The

carapace A carapace is a dorsal (upper) section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids, as well as vertebrates, such as turtles and tortoises. In turtles and tortoises, the unde ...

is grey-brown, lighter in the middle, and the eyes are surrounded black. The male

opisthosoma The opisthosoma is the posterior part of the body in some arthropods, behind the prosoma ( cephalothorax). It is a distinctive feature of the subphylum Chelicerata (arachnids, horseshoe crabs and others). Although it is similar in most respects ...

is black-brown with small elongate light transverse patches, the female grey-brown with much larger patches. The legs are yellowish-grey. It resembles the not closely related ''

Neon Neon is a chemical element; it has symbol Ne and atomic number 10. It is the second noble gas in the periodic table. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with approximately two-thirds the density of ...

''.Murphy & Murphy 2000: 292

Footnotes

References

* (2000): An Introduction to the Spiders of South East Asia. ''Malaysian Nature Society'', Kuala Lumpur. * (2007)
The world spider catalog
version 8.0. ''American Museum of Natural History''. Salticidae Spiders of Vietnam Spiders described in 1985 Taxa named by Marek Michal Zabka {{Salticidae-stub