National Moth Week is July 18-26!
Moths are amazing creatures. Take photographs and share your moth sightings with us to document the moths where you live.
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.
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Verified Sightings
Displaying 193 - 216 of 874 verified sightings
Observation date: Jun 16, 2021
Submitted by: tirvine2020
Region: Alachua County, Florida, United States
Verified by: John Calhoun
Verified date: Jun 27, 2021
Observation date: Jun 24, 2021
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Jun 26, 2021
Observation date: Jun 19, 2021
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Jun 22, 2021
Observation date: Jun 10, 2021
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Jun 11, 2021
Observation date: Jun 05, 2021
Submitted by: LauraSea
Region: Nassau County, Florida, United States
Verified by: John Calhoun
Verified date: Jun 09, 2021
Observation date: May 26, 2021
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: May 29, 2021
Observation date: May 15, 2021
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: May 20, 2021
Observation date: May 15, 2021
Submitted by: Michael Weisensee
Region: Sarasota County, Florida, United States
Verified by: John Calhoun
Verified date: May 20, 2021
Observation date: May 08, 2021
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: May 09, 2021
Observation date: Apr 30, 2021
Submitted by: JoyceSw
Region: Marion County, Florida, United States
Verified by: John Calhoun
Verified date: May 01, 2021
Observation date: Apr 28, 2021
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Apr 28, 2021
Observation date: Apr 15, 2021
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Apr 17, 2021
Observation date: Apr 06, 2021
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Apr 07, 2021
Observation date: Nov 14, 2011
Submitted by: DVL
Region: Lee County, Florida, United States
Verified by: John Calhoun
Verified date: Mar 31, 2021
Observation date: Mar 13, 2021
Submitted by: jrtindall
Region: Lee County, Florida, United States
Verified by: John Calhoun
Verified date: Mar 24, 2021
Observation date: Mar 20, 2021
Submitted by: Michael Weisensee
Region: Sarasota County, Florida, United States
Verified by: John Calhoun
Verified date: Mar 21, 2021
Observation date: Mar 13, 2021
Submitted by: Michael Weisensee
Region: Charlotte County, Florida, United States
Verified by: John Calhoun
Verified date: Mar 17, 2021
Observation date: Jul 12, 2020
Submitted by: DVL
Region: Lee County, Florida, United States
Verified by: John Calhoun
Verified date: Mar 17, 2021
Observation date: Jun 07, 2020
Submitted by: DVL
Region: Lee County, Florida, United States
Verified by: John Calhoun
Verified date: Mar 17, 2021
Observation date: Feb 11, 2021
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Feb 12, 2021
Observation date: Dec 11, 2020
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Dec 16, 2020
Observation date: Dec 15, 2020
Submitted by: Michael Weisensee
Region: Charlotte County, Florida, United States
Verified by: John Calhoun
Verified date: Dec 16, 2020
Observation date: Dec 04, 2020
Submitted by: Bill Uttenweiler
Region: Brevard County, Florida, United States
Verified by: John Calhoun
Verified date: Dec 06, 2020
Observation date: Nov 23, 2020
Submitted by: cklindsey
Region: Monroe County, Florida, United States
Verified by: John Calhoun
Verified date: Nov 29, 2020
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