Copelatus posticatus

{{Short description|Species of beetle}}

{{Speciesbox

| image =

| genus = Copelatus

| species = posticatus

| authority = (Fabricius, 1801)

| synonyms =

• Colymbetes elegans
• Colymbetes multistriatus
• Copelatus signatus
• Dytiscus posticatus

}}

Copelatus posticatus is a species of diving beetle. It is part of the subfamily Copelatinae in the family Dytiscidae. It was described by Fabricius in 1801.{{cite web|url=http://insects.tamu.edu/research/collection/hallan/Arthropoda/Insects/Coleoptera/Family/Dytiscidae.txt|title=Dytiscidae Species List at Joel Hallan's Biology Catalog. Texas A&M University|archiveurl=https://web.archive.org/web/20141031014920/https://insects.tamu.edu/research/collection/hallan/Arthropoda/Insects/Coleoptera/Family/Dytiscidae.txt|archivedate=31 October 2014|access-date=30 August 2015|url-status=dead}}[https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=112561 Copelatus], Integrated Taxonomic Information System (ITIS) Report. Retrieved 7 June 2012.