Wild Florida Photo - Brephidium isophthalma

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Brephidium isophthalma

  var.  pseudofoea


Synonym: Lycaena pseudofea, Brephidium pseudofea

Florida native


This is the smallest butterfly in the eastern United States. Found near saltwater, usually in salt marshes along much of the Florida coast. From Florida the range of the eastern pygmy blue extends along the Gulf Coast into Louisiana and along the Atlantic into South Carolina.
The wings are brown with a row of four black spots near the margin of the hindwing. On the underside, these black spots have white highlights. The underside also has various white dashes and circles. The wingspan is from 2-2.2 cm (3/4 - 7/8 in.). The eggs are pale blue-green and the larvae are green with small white tubercles that closely match the pattern of glasswort, one of the host plants.
While the primary host plant is Salicornia bigelovii - annual glasswort - Perennial glasswort - Sarcocornia ambigua - and saltwort - Batis maritimaare also used.

Brephidium isophthalma is a member of the Lycaenidae - Gossamer-winged Butterflies family.

Butterflies through Binoculars

   Jeffrey Glassberg; Marc C. Minno; John V. Calhoun
 A field, finding and gardening guide to the butterflies of Florida

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Butterflies through Binoculars
Butterfly enthusiasts, nature lovers, and curious general readers will perhaps be surprised to learn that Florida's butterfly fauna is unique--and that, until the appearance of this volume, there has been no adequate field guide for the butterflies of this region. This guide simplifies identification by illustrating only species found in Florida--using superb photographs of live butterflies coupled with detailed range maps and identification data. It also offers, with unprecedented detail, much information on flight times and abundances for each of five Florida subregions, including reports on 70 localities in which to find butterflies. Lastly, discussions of the foodplants for each species along with suggestions for attracting these species to one's garden make this work invaluable for all Florida gardeners interested in butterflies.

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For more information on this species, visit the following link:
UF Entomology & Nematology Featured Creatures website page for this species

Date record last modified:
Aug 07, 2016

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