Castiarina alternecosta

{{short description|Species of beetle}}

{{Speciesbox

| image = Castiarina alternecosta.jpg

| genus = Castiarina

| species = alternecosta

| authority = (Thomson, 1879)

}}

Castiarina alternecosta is a species of beetle of the genus Castiarina and the family Buprestidae.{{Cite web |title=Castiarina Laporte & Gory, 1837 |url=https://www.gbif.org/species/4574628 |access-date=2022-10-25 |website=www.gbif.org |language=en}}{{Cite web |title=Castiarina alternecosta (Thomson, 1879) |url=https://www.gbif.org/species/4727841 |access-date=2022-10-25 |website=www.gbif.org |language=en}}{{Cite web |title=Mindat.org |url=https://www.mindat.org/taxon-4727841.html |access-date=2022-10-25 |website=www.mindat.org}} It was first scientifically described by Thomson in 1879.{{Cite web |title=A Checklist of World Buprestoidea |url=https://cerambycids.com/Buprestidae/WorldCat/Genera/Castiarina.htm |website=Cerambycids Research}}