''Porthecla ravus'' 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 the

Amazon basin The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries of Bolivi ...

and southern

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 14.5 mm for males and 13.6 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 year-round. They feed on the nectar of '' Cordia schomburgkii''.

References

Butterflies described in 1907 Eumaeini {{Eumaeini-stub