Attributes of Hemiargus ceraunus

Ceraunus Blue
Hemiargus ceraunus (Fabricius, 1793)

Family: Lycaenidae
Subfamily: Polyommatinae
Identification: Upperside of male light blue with a darker narrow border; female dark brown, often with wing bases blue. Underside gray; both wings with a row of dark postmedian dashes. Florida butterflies have one submarginal eyespot on hindwing; Southwest butterflies have two.
Wing Span: 3/4 - 1 1/8 inches (2 - 3 cm).
Life History: Males patrol during warm hours of the day for receptive females. Eggs are laid singly on flower buds or leaves of host plant; caterpillars feed on flowers and seedpods.
Flight: Throughout the year in Texas and south Florida, late summer in other parts of its range.
Caterpillar Hosts: A variety of woody legumes including partridge pea (Cassia brachiata), mesquite (Prosopis species), and rosary pea (Abrus precatorius).
Adult Food: Flower nectar.
Habitat: Open woodland, desert scrub, dunes, pastures, road edges, and vacant lots.
Range: U. S. Southwest, South Texas, Florida and the Keys south through the West Indies, Mexico, and Central America to South America. Strays to North Carolina, Missouri, Kansas, and Nevada.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Taxonomy Notes:

Images of Hemiargus ceraunus

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Hemiargus ceraunus - ceraunusmmsm3801.jpg

Hemiargus ceraunus - ceraunusmmsm3801.jpg
Hemiargus ceraunus - ceraunusmmsm3809.jpg

Hemiargus ceraunus - ceraunusmmsm3809.jpg
Hemiargus ceraunus - ceraunusmmsm3811.jpg

Hemiargus ceraunus - ceraunusmmsm3811.jpg

Hemiargus ceraunus - hemiargus_ceraunus_gyas_caterpillar3_raisingbutterflies.jpg

Hemiargus ceraunus - hemiargus_ceraunus_gyas_caterpillar3_raisingbutterflies.jpg
Hemiargus ceraunus - hemiargus_ceraunus_gyas_caterpillar4_raisingbutterflies.jpg

Hemiargus ceraunus - hemiargus_ceraunus_gyas_caterpillar4_raisingbutterflies.jpg


The map below displays all BAMONA data for this species and has three different data layers:
1. All records (yellow dots)   2. Recently verified records (orange dots)*   3. US county records (purple)

There are also three base layers: 1. Satellite    2. Normal   3. Hybrid

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*The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. Sometimes, there are several records at the same location. Use the table view to access these records.

By default, the fifty most recently verified sightings are below. Sort by Observation Date to see the most recent sightings, or filter the sightings by region to get a regional list.

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Observation Date Submitter Region Verified Datesort icon
January 01, 1950 legacy.reporter Mohave County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Mohave County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Coconino County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Coconino County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Navajo County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Gila County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Yavapai County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Yuma County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter La Paz County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Maricopa County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Pinal County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Graham County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Cochise County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Greenlee County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Tulare County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Inyo County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Kern County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter San Bernardino County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Ventura County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Los Angeles County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Orange County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Riverside County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter San Diego County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Imperial County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Alameda County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter San Bernardino County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Contra Costa County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Mono County, California, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Dolores County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Alachua County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Brevard County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Broward County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Charlotte County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Citrus County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Clay County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Collier County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Miami-Dade County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Duval County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Escambia County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Flagler County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Hamilton County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Hendry County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Hernando County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Highlands County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Hillsborough County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Jefferson County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Lake County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Lee County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Leon County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Levy County, Florida, United States December 31, 2004 Details