Ceraunus Blue
Hemiargus ceraunus

Hemiargus ceraunus, the Ceraunus blue, is a species of butterfly in the family Lycaenidae. The species was first described by Johan Christian Fabricius in 1793. It is found in the southwestern United States, southern Texas, Florida and the Florida Keys south through the West Indies, Mexico and Central America to South America. Strays may be found in North Carolina, Missouri, Kansas and Nevada. The habitat consists of open woodland, desert scrub, dunes, pastures, road edges and vacant lots. Source
Where is the Ceraunus Blue now?
In the last 8 weeks this insect was recorded 19 times across 3 areas (each area is a 5 degree square).
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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.