Holarchaea novaeseelandiae is one of only two described species in the genus Holarchaea and is native to New Zealand.
This spider is very small at less than 1.5 millimeters long. It is shiny black, brown, olive, or beige in color. The head region is clearly distinguished, features eight eyes, and a few setae.
It occurs only in the forests of New Zealand. It lives in humid environments and has been found on moss, ferns, and plant litter.
Image Caption: adult Holarchaea sp. from New Zealand (Maungatautari Mountain). Credit: S.E. Thorpe/Wikipedia