left, In eastern Ecuador, showing the vermiculation on the underwings ''Bia actorion'', the uncertain owlet, bia owl or Actorion owlet, is a species of

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 ...

of the family Nymphalidae. It is found in the upper

Amazon Amazon most often refers to: * Amazons, a tribe of female warriors in Greek mythology * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon River, in South America * Amazon (company), an American multinational technology c ...

areas of

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 ...

Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechua: ''Ikwadur Ripuwlika''; Shuar: ''Eku ...

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 ...

and

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 ...

.Butterflies of Amazonia
/ref> The larvae feed on ''

Astrocaryum murumuru ''Astrocaryum murumuru'' (Portuguese common name: murumuru) is a palm native to Amazon Rainforest vegetation in Brazil, which bears edible fruits. ''Murumuru'' butter, extracted from the seeds of the plant, may be used as a moisturizer.One rema ...

'' and ''

Geonoma ''Geonoma'' is a genus of small to medium-sized palms native to the forest understorey of tropical Central and South America. This palm genus is one of the largest in the Neotropics. Its 64 species are distributed from Mexico and Haiti in the ...

'' species.

Taxonomy

''Bia actorion'' has long been placed in the subfamily

Satyrinae The Satyrinae, the satyrines or satyrids, commonly known as the browns, are a subfamily of the Nymphalidae (brush-footed butterflies). They were formerly considered a distinct family, Satyridae. This group contains nearly half of the known divers ...

, but studies determined that it belonged to the

Brassolinae Brassolini is a tribe usually placed in the brush-footed butterfly subfamily Morphinae, which is often included in the Satyrinae as a tribe Morphini. If this is accepted, the Brassolini become the sister tribe of the Morphini among the Satyrina ...

. Currently, the genus '' Bia'' are classified as members of the subtribe ''Biina'' in the tribe

Brassolini Brassolini is a tribe usually placed in the brush-footed butterfly subfamily Morphinae, which is often included in the Satyrinae as a tribe Morphini. If this is accepted, the Brassolini become the sister tribe of the Morphini among the Satyrina ...

Subspecies

*''Bia actorion actorion'' *''Bia actorion decaerulea'' Weymer, 1911 — Amazonas in Brazil *''Bia actorion rebeli'' Bryk, 1953 — Ecuador and Peru

References

Morphinae Lepidoptera of Bolivia Lepidoptera of Brazil Lepidoptera of Ecuador Lepidoptera of Peru Nymphalidae of South America Taxa named by Caspar Stoll Butterflies described in 1780 {{Morphinae-stub