| Xerces Blue Butterfly | |
|---|---|
| |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Lycaenidae |
| Genus: | Glaucopsyche |
| Species: | †Glaucopsyche xerces |
Xerces Blue Butterfly (Glaucopsyche xerces) is a species of butterfly that went extinct in 1941 California, USA.