Cantao ocellatus is reddish or ochre in overall colour it has dark legs and bluish black antennae.

A dark bluish black stripe is present along the central line of the head.

[1] A distinctive symbiotic bacterial genus Sodalis from phylum Gammaproteobacteria is found in its midgut.

[4] Cantao ocellatus has been reported from the Indian Subcontinent into Southeast Asia and Papua New Guinea.

[5] Cantao ocellatus suck sap from a wide range of plants including Macaranga,[1] Camellia sasanqua,[5] Kigelia,[4] Mallotus,[6] Bischofia javanica and Broussonetia papyrifera.