Polybothris sumptuosa is a species of beetles in the family Buprestidae.
Polybothris sumptuosa can reach a length of about 35–38 millimetres (1.4–1.5 in).
This jewel beetle shows various chromatic forms.
There are a shiny metallic blue form (P. sumptuosa gemma), a dark green form (P. sumptuosa superba) and a dark green to black form (P. sumptuosa sumptuosa).
These wood boring beetles can be found in Madagascar.