Bug FAQEastern Pygmy-Blue
Brephidium isophthalma · Order: Lepidoptera · Family: Lycaenidae
The eastern pygmy-blue is a small blue butterfly with four silvery-black spots along the margin of the underside of its hindwing. It lives in coastal salt-marshes of the southern United States, especially in southeastern Georgia, and adults are seen from May to August.
Source: Wikipedia
How to recognize it
It has four silvery-black spots along the edge of the underside of its hindwing.
Source: Wikipedia
Size
It is a blue butterfly.
Source: Wikipedia
Where it lives
It lives in coastal salt-marshes of the southern United States, especially in southeastern Georgia.
Source: Wikipedia
Life cycle
Adult butterflies appear from May through August.
Source: Wikipedia
When you see it
Adults are active from May to August.
Source: Wikipedia
Where it comes from
Its range includes the southern United States.
Source: Wikipedia
Where it is found in the US
Recorded in 10 of 51 states and DC. Most records: Florida, South Carolina, Georgia, Texas, Louisiana, California, Kansas, New Mexico.
Darker = more records. Counts are museum and citizen-science records, not population size.
Source: GBIF
Months it is reported in the US
Source: GBIF
More photos
Questions people ask
When can I see eastern pygmy-blue butterflies?
Adults are on the wing from May through August.
Source: Wikipedia
Where are eastern pygmy-blue butterflies found?
They inhabit coastal salt-marshes in the southern United States, especially in southeastern Georgia.
Source: Wikipedia
Same family (Lycaenidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Brephidium_pseudofea
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-24.