''Porthecla forasteira'' is a

butterfly Butterflies are insects in the macrolepidopteran clade Rhopalocera from the Order (biology), order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The ...

in the family

Lycaenidae Lycaenidae is the second-largest family of butterflies (behind Nymphalidae, brush-footed butterflies), with over 6,000 species worldwide, whose members are also called gossamer-winged butterflies. They constitute about 30% of the known butterfl ...

. It is found in

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...

and

French Guiana French Guiana ( or ; french: link=no, Guyane ; gcr, label=French Guianese Creole, Lagwiyann ) is an overseas departments and regions of France, overseas department/region and single territorial collectivity of France on the northern Atlantic ...

. The habitat consists of lowland areas. The length of the forewings is 15.9 mm for males., 2011
Species level taxonomy of the Neotropical hairstreak genus ''Porthecla'' (Lepidoptera: Lycaenidae: Theclinae: Eumaeini).
'' Annales de la Société Entomologique de France'' (n.s.), 47(1-2): 241-259

Etymology

The name ''forasteira'' is derived from the Portuguese language and means stranger or foreigner.

References

Butterflies described in 2011 Eumaeini {{Eumaeini-stub