Its abdomen is black, marked with bright azure blue on segments 1 to 8.
[6] Female is black with yellow markings on the face, thorax and abdomen.
Abdomen is black, marked with yellow mid-lateral stripes and dots in segments 2 to 7.
It is commonly found perched on half-submerged logs in mid-stream or resting on twigs overhanging the river.
[7][6][8][3][4] It is a shade-lover; found perched on partially submerged logs in mid-stream or resting on overhanging twigs in the river.