| Copelatus externus | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Insecta |
| Order: | Coleoptera |
| Suborder: | Adephaga |
| Family: | Dytiscidae |
| Genus: | Copelatus |
| Species: | C. externus |
| Binomial name | |
| Copelatus externus Kirsch, 1873 | |
Copelatus externus is a species of diving beetle. It is part of the genus Copelatus of the subfamily Copelatinae in the family Dytiscidae. It was described by Theodor Franz Wilhelm Kirsch in 1873.