Abstract is: Lycaena cuprea, the lustrous copper, is a butterfly of the family Lycaenidae. It is found in the western mountains of North America. The wingspan is 23–30 mm. Adults are on wing from mid-June to July or August. They feed on the nectar of Cirsium, Medicago sativa and Melilotus species. The larvae feed on Oxyria digyna and Rumex species.
| taxon | Q16521 |
| P838 | BioLib taxon ID | 527325 |
| P3606 | BOLD Systems taxon ID | 34490 |
| P2464 | BugGuide taxon ID | 25088 |
| P3398 | Butterflies and Moths of North America ID | species/Lycaena-cupreus |
| P12554 | CalPhotos taxon ID | Lycaena+cupreus |
| P9690 | E-Fauna BC species ID | Lycaena cupreus |
| P646 | Freebase ID | /m/0hzmg65 |
| P846 | GBIF taxon ID | 5714618 |
| P9684 | Idaho Species ID | 23994 |
| P3151 | iNaturalist taxon ID | 117322 |
| P7224 | Insects (Insecta) of the World ID | 50356 |
| 50356 | ||
| P815 | ITIS TSN | 777789 |
| P3064 | LepIndex ID | 200319 |
| P9685 | Montana Field Guide species ID | IILEPC1020 |
| P10243 | NatureServe Explorer ID | 2.110903 |
| P685 | NCBI taxonomy ID | 434417 |
| P9157 | Open Tree of Life ID | 1020565 |
| P2892 | UMLS CUI | C2277445 |
| P2975 | host | Oxyria digyna | Q1444183 |
| Rumex paucifolius | Q15605238 | ||
| Rumex acetosa | Q26297 | ||
| Rumex acetosella | Q29951 | ||
| P171 | parent taxon | Lycaena | Q258719 |
| P1813 | short name | L. cupreus | |
| P1843 | taxon common name | Lustrous Copper | |
| P225 | taxon name | Lycaena cupreus | |
| P105 | taxon rank | species | Q7432 |