Chalcothea smaragdina is a species of flower chafer belonging to the family of scarab beetles.

[1] [2] Chalcothea smaragdina can reach a length of 27–30 millimetres (1.1–1.2 in) .

[3] The body is oblong, with a distinct "neck" between the head and pronotum.

The elytra are metallic green and significantly broader than the pronotum.

This species is present in Southeast Asia (Indonesia and Malaysia).