Polycestaxis

{{Short description|Genus of beetles}}

{{One source|date=August 2024}}

{{Italic title}}

{{Taxobox

| name = Polycestaxis carinicollis

| regnum = Animalia

| phylum = Arthropoda

| classis = Insecta

| ordo = Coleoptera

| subordo = Polyphaga

| superfamilia = Buprestoidea

| familia = Buprestidae

| genus = Polycestaxis

| genus_authority = Obenberger, 1920

| species = P. carinicollis

| binomial = Polycestaxis carinicollis

| binomial_authority = Obenberger, 1920

}}

Polycestaxis carinicollis is a species of beetles in the family Buprestidae, the only species in the genus Polycestaxis.{{cite web |url=https://cerambycids.com/Buprestidae/WorldCat/Genera/Polycestaxis.htm |title=Genus Polycestaxis |author=Bellamy, C. L. |date=2013 |work=A Checklist of World Buprestoidea |accessdate=7 Sep 2021}}