''Porthecla dinus'' 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 fragmented montane habitats at altitudes between 600 and 1,800 meters in south-eastern

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

. The length of the forewings is 16.7 mm for males and 15.6 mm for females., 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 Adults are on wing from September to April.

References

Butterflies described in 1867 Eumaeini Lycaenidae of South America Taxa named by William Chapman Hewitson {{Eumaeini-stub