Attributes of Cyclargus thomasi

Miami Blue
Cyclargus thomasi (Clench, 1941)

Family: Lycaenidae
Subfamily: Polyommatinae
Identification: Upperside mostly blue; female hindwing with orange spot at lower edge. Underside of both sexes with 2 eyespots on the outer margin and a wide white submarginal band.
Wing Span: 7/8 - 1 1/8 inches (2.2 - 3 cm).
Life History: Eggs are laid singly on flower buds of host plant. Caterpillars feed on flowers and may live inside the pods, eating seeds.
Flight: Throughout the year in Florida. Adults are in reproductive diapause during the winter generation from December-April.
Caterpillar Hosts: Balloon vine (Cardiospermum halicacabum) in the Sapindaceae family, possibly snowberry (Chiococca alba), and various legumes.
Adult Food: Flower nectar.
Habitat: Openings and edges of tropical hardwood hammocks.
Range: Florida Keys and West Indies. Formerly in southern peninsular Florida.
Conservation: Loss of habitat due to urbanization has extirpated this butterfly on the Florida mainland. All Florida Keys populations should be protected.
NCGR: G3 - Very rare or local throughout its range or found locally in a restricted range (21 to 100 occurrences). (Threatened throughout its range).
Management Needs: Preserve habitats of balloon vine and nectar sources.
Taxonomy Notes:

Images of Cyclargus thomasi

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Cyclargus thomasi - thmoasi.jpg

Cyclargus thomasi - thmoasi.jpg

The map below displays all BAMONA data for this species and has three different data layers:
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Observation Date Submitter Region Verified Datesort icon
November 09, 2011 LLJohnson Dominican Republic April 16, 2013 Details
September 04, 2012 LLJohnson Dominican Republic April 16, 2013 Details
December 24, 2011 LLJohnson Dominican Republic January 22, 2012 Details
January 01, 1950 legacy.reporter (Heink, C.L.) St Louis County, Missouri, United States March 14, 2007 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 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 Hillsborough 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 Monroe County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Volusia County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Eliott Key County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Key Largo County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Big Pine Key County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Sugarloaf Key County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Stock Island County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Dry Tortugas County, Florida, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Plantation Key County, Florida, United States December 31, 2004 Details