''Staphylus oeta'', commonly known as Plötz's sootywing, is a species of

butterfly Butterflies are winged insects from the lepidopteran superfamily Papilionoidea, characterized by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossi ...

in the family

Hesperiidae Skippers are a group of butterflies placed in the family Hesperiidae within the order Lepidoptera (moths and butterflies). They were previously placed in a separate superfamily, Hesperioidea, but have since been placed in the superfamily Papilion ...

. It is found in Brazil, Panama, Peru and Argentina.Staphylus at funet
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References

Staphylus (butterfly) Butterflies described in 1884 Hesperiidae of South America Taxa named by Carl Plötz Fauna of Panama Lepidoptera of Brazil Lepidoptera of Peru Lepidoptera of Argentina {{Pyrginae-stub