Nesticella marapu is an eyeless spider from Sumba, Indonesia. It has long legs and weak pigmentation. It is distinguished by all other species in the genus Nesticella by the beak-shaped paracymbium.
The species is of a bright yellow color, with a body length of less than 3mm, males being a bit smaller.Of the eyes, not even eye sockets are visible.
It is only known from the 3 km long Marro cave close to Kabalidana, west of Waimangura.
The species name marapu is derived from the Sumbanese spirit of ancestors Marapu.