There is a thick black oblique stripe on the posterior half of mesepimeron and postero-lateral suture.

[4] Female is similar to the male; but its thorax is coppery-brown and segments 3 to 8 with mid-dorsal carina rather broadly black.

Unlike other dragonflies and damselflies this species breeds in water collected inside the tree holes of evergreen and semi-evergreen forests.

[6][7] Physicochemical parameters of water collected from the tree holes show that the water is generally acidic with high levels of total dissolved solids, phosphates, sulphates and nitrates.

However, the presence of predatory larvae of L. tricolor may significantly influence the community structure of tree holes.