Elattoneura tetrica,[2][1] the black and yellow bambootail,[3] is a damselfly species in the family Platycnemididae.

[1][4] It is a medium sized damselfly with black-capped pale blue eyes beneath, marked with a black equatorial belt.

The anterior border of mesepimeron and the lower part of sides are creamy white, separated with a broad stripe in black.

Its abdomen is black, pruinosed on the basal segments in adults.

[5] Female is similar to the male; but paler eyes and dull colored thotax.