-Animals (Kingdom Animalia)

-Arthropods (Phylum Arthropoda)

-Hexapods (Subphylum Hexapoda)

-Insects (Class Insecta)

-Winged and Once-winged Insects (Subclass Pterygota)

-Butterflies and Moths (Order Lepidoptera)

-Butterflies (Superfamily Papilionoidea)

-Gossamer-winged Butterflies (Family Lycaenidae)

-Blues (Subfamily Polyommatinae)

-Typical Blues (Tribe Polyommatini)

-Subtribe Leptotina

-Common Blues (Genus Leptotes)

-Ceraunus Blue (Hemiargus ceraunus)

-Hemiargus ceraunus ssp. astenidas

Hemiargus ceraunus, the Ceraunus blue, is a butterfly in the family Lycaenidae. The habitat consists of open woodland, desert scrub, dunes, pastures, road edges and vacant lots. The upperside of the males is light blue with a darker narrow border. Female are dark brown, often with blue wing bases. The underside is gray. Adults feed on flower nectar.