Whole genomes from the extinct Xerces Blue butterfly can help identify declining insect species 

de-Dios, Toni; Caballero-López, Berta; Lalueza-Fox, Carles (2024-10-04)

The Xerces Blue (Glaucopsyche xerces) is considered to be the first butterfly to become extinct in historical times. It was notable for its chalky lavender wings with conspicuous white spots on the ventral wings. The last ...