Western Tailed-Blue

The western tailed-blue (Cupido amyntula) is a Nearctic non-migratory butterfly that commonly takes flight during the spring and summer seasons of March–July. They have a tail on their hindwing, an upper surface that's bluish, and an under surface that is chalky-white with occasional black spots, and an orange spot toward the base of the tail. The wingspan ranges from 0.

Le Bleu porte-queue de l'Ouest (Everes amyntula) est une espèce nord-américaine de lépidoptères (papillons) de la famille des Lycaenidae. Dénomination Cupido amyntula a été nommé par Jean-Baptiste Alphonse Dechauffour de Boisduval en 1852. Synonymes : Lycaena amyntula Boisduval, 1852 ; Cupido amyntula (Boisduval, 1852).

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