Plybothris quadricollis is a beetle of the family Buprestidae.

[1] Polybothris quadricollis can reach a length of about 37–43 millimetres (1.5–1.7 in).

Elytra have an olive green granular color, while the underside of the body shows an extremely bright metallic rainbow of colors.

[4] The colours underside seems to be important for sexual recognition among different species within the genus.

[5] These beetles can be found in Madagascar.