Brephidium pseudofea, the eastern pygmy-blue, is a species of blue in the butterfly family Lycaenidae.

It is found in the southern United States, typically in coastal saltmarshes.

[2][3][4][5] These two subspecies belong to the species Brephidium pseudofea:[6] In Georgia, the eastern pygmy-blue is the smallest butterfly, where it lives along coastal portions of southeastern Georgia.

It is a blue butterfly with a row of four silvery black spots along the ventral hindwing margin.

Adults have a low, weak flight pattern and flutter just above the surface of host plants.