Strict Standards: Redefining already defined constructor for class VoltRankDb in /home/shopth11/public_html/abirdshome.com/67520c410adc3a30837f0e4.php on line 27

Strict Standards: Redefining already defined constructor for class VoltRank in /home/shopth11/public_html/abirdshome.com/67520c410adc3a30837f0e4.php on line 714
Butterflies of North America -- Hemiargus thomasi

North American Butterflies and Moths List

The definitive website on wildbirds & nature




The Registry of Nature Habitats

U.S. Geological Survey


Butterflies of North America

Miami Blue (Hemiargus thomasi)
JPG -- species photo

Miami Blue (Hemiargus thomasi Clench)

Wing span: 7/8 - 1 1/8 inches (2.2 - 3 cm).

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.

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.

The Nature Conservancy Global Rank: 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.

References:

Opler, P. A. and G. O. Krizek. 1984. Butterflies east of the  Great Plains. Johns 
    Hopkins University Press, Baltimore. 294 pages, 54 color plates.

Opler, P. A. and V. Malikul. 1992. A field guide to eastern  butterflies. Peterson 
    field guide #4. Houghton-Mifflin Co.,  Boston. 396 pages, 48 color plates.

Scott, J. A. 1986. The butterflies of North America. Stanford  University Press, 
    Stanford, Calif. 583 pages, 64 color plates.

Author: Jane M. Struttmann

Miami Blue (Hemiargus thomasi)
distribution map
map legend

Disclaimer
Return to species list
Return to Butterflies of North America main page