Elattoneura tetrica, the black and yellow bambootail, is a damselfly species in the family Platycnemididae. It is endemic to Western Ghats in India.
Description and habitat It is a medium sized damselfly with black-capped pale blue eyes beneath, marked with a black equatorial belt. Its thorax is metallic velvet-black on dorsum. The anterior border of mesepimeron and the lower part of sides are creamy white, separated with a broad stripe in black. The lower part may get pruinosed. Its abdomen is black, pruinosed on the basal segments in adults. Segments 3 to 6 have thin baso-dorsal bluish-white annules. Anal appendages are black.
Female is similar to the male; but paler eyes and dull colored thotax. Teneral males look like the female in colour and markings; adult lose almost all their markings due to pruinescence.
It is closely associated with submontane streams and lakes where it breeds.
See also List of odonates of India List of odonata of Kerala
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