The following exceedingly rare or critically imperiled butterflies occur in southeast Florida and the Florida Keys:

Mimosa Yellow
Eurema nise

Dina Yellow
Eurema dina

Lyside Sulphur
Krycogonia lyside

Amethyst Hairstreak
Chlorostrymon maesites

This species may reproduce in South Florida. It is included because it is periodically observed in South Florida, however, but not necessarily annually.

Silver-banded Hairstreak
Chlorostrymon simeathis

Gray Ministreak
Ministrymon azia

Martial Scrub-Hairstreak
Strymon matialis

Bartram’s Scrub-Hairstreak
Strymon acis

Acacia Blue (Nickerbean)
Hemiargus ammon

Cuban Crescent
Phyciodes frisia

Florida Leafwing
Anaea floridalis
Hitching a ride in Long Pine Key, Everglades National Park
Photo by David L Lysinger

Florida Purplewing
Eunica tatila

Dingy Purplewing
Eunica monima

Florida Leafwing
Anaea floridalis

Florida Duskywing
Ephyriades brunneus

Meske’s Skipper (Lower Keys)
Hesperia meskei

Palatka Skipper (Lower Keys)
Euphyes pilatka

Palmetto Skipper (Lower Keys)
Euphyes arpa