The Recently Extinct Plants and Animals Database

Glaucophysche xerces Boisduval, 1852

Xerces blue



Taxonomy & Nomenclature

Synonym/s: Glaucopsyche lygdamus xerces Boisduval, 1852


Conservation Status

Last record: 1942 or 1943

IUCN RedList status: Extinct



San Francisco, California, USA


Biology & Ecology










Emmel, T.C. and Emmel, J. F. (1993). The xerces blue, Glucopsyche xerces (Boisduval). Occasional Paper of the IUCN Species Survival Commission; Conservation biology of Lycaenidae (butterflies). 137-138.

Henning, Graham. (2014). Lepidoptera Conservation in South Africa–Part 1. Babbel Blues 2(Spring): 17-24.

NatureServe. (2011). NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia. Available (Accessed: September 17, 2011).

Seddon, Philip J., Moehrenschlager, Axel and Ewen, John. (In Press, 2014). Reintroducing resurrected species: selecting DeExtinction candidates. Trends in Ecology & Evolution. [Abstract]

World Conservation Monitoring Centre. (1996). Glaucopsyche xerces. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. ( Downloaded on 17 September 2011.


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