bu·pres·tid 
(by-prĕstĭd)
(by-prĕstĭd)n.
Any of various often colorful, metallic beetles of the family Buprestidae, many of which are destructive wood borers as larvae.
[From New Latin Būprēstidae, family name, from Būprēstis, type genus, from Latin būprēstis, beetle harmful to cattle, from Greek bouprēstis : bous, ox; see gwou- in the Appendix of Indo-European roots + prēthein, to swell up.]
bu·prestid adj.