Ariamnes uwepa is a species of spider from the family Theridiidae. It is only known to be found on Oahu, in the Hawaiian Islands. The name derives from the Hawaiian word "uwepa," meaning whip.[1]
Ariamnes uwepa length varies from 6.3to in males and from 10to in females. Living specimens have a bright gold abdomen, sometimes with red.[1]
Very little is known about the range. Specimens have been collected from mesic habitat, often found under leaves. Species has been exclusively found on Oahu.[1]