It is a small ant, having a total body length of less than 2 mm (0.079 in).

Its body is predominantly metallic blue in color, except for the antennae, mandibles, eyes, and legs.

[1] P. neela worker ant specimens were collected from a secondary forest at an elevation of 803 m (2,635 ft) in Yingku village, East Siang District of Arunachal Pradesh.

[2] The specific epithet of the species, neela is a noun in apposition, signifying the color blue in most Indian languages.

The earlier species reported in India is P. aseta which was recorded in the year 1902.