Crossidius ater

{{short description|Species of beetle}}

{{Speciesbox

| image =

| genus = Crossidius

| species = ater

| authority = LeConte, 1861

}}

Crossidius ater is a species of beetle in the family Cerambycidae.Bezark, Larry G. [http://plant.cdfa.ca.gov/byciddb/bycidview.asp A Photographic Catalog of the Cerambycidae of the World] {{Webarchive|url=https://web.archive.org/web/20130827211041/http://plant.cdfa.ca.gov/byciddb/bycidview.asp |date=2013-08-27 }}. Retrieved 22 June 2012. It was described by John Lawrence LeConte in 1861.