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Owl butterflies are very large, 65–200 mm (2.6–7.9 in), and fly only a few meters at a time, so avian predators have little difficulty in following them to their settling place. However, the butterflies preferentially fly in dusk, when few avian predators are around. [ 1 ]
Caligo idomeneus, the Idomeneus giant owl, is a butterfly of the family Nymphalidae. [1] The species can be found in the Amazon rainforest and eastern Andes, from Venezuela to Ecuador, and south to the Mato Grosso in southern Brazil. The butterfly is named for Idomeneus, the leader of the Cretan army during the Trojan War.
Caligo oileus, the Oileus giant owl, is a butterfly of the family Nymphalidae. The species can be found from Mexico to northern South America . The larvae feed on Heliconia and Musa species.
Dorsal view. Caligo illioneus has a wingspan reaching about 12–15 centimetres (4.7–5.9 in). In this large owl butterfly the dorsal sides of the wings vary from light brilliant blue to purplish with dark brown edges, while the undersides have a highly cryptic dull brown color, with huge yellow-rimmed eyespots resembling to the eyes of an owl.
They are commonly known as the owl butterflies. [2] Taenaris are showy medium to large butterflies with predominantly white wings often featuring extensive patches of black, gray, or tan coloration. They are best known for their rounded hindwings which feature well developed eyespots, most of which are yellow in color with blue-black "pupils". [2]
The Morphinae are a subfamily of Nymphalidae butterflies that includes the morphos, the owl butterflies (Caligo), and related lineages. It is either considered a sister group of the Satyrinae, or disassembled and included therein.
Caligo brasiliensis, the Brazilian owl, sulanus owl, or almond-eyed owl, [1] is a butterfly of the family Nymphalidae. The species can be found in most of South America as various subspecies, including Brazil, Colombia, Venezuela and Ecuador. Its range extends through Trinidad, Honduras, Guatemala and Panama north to Mexico.
Many members of this tribe are called owl butterflies. [ 1 ] The Brassolini is a Neotropical butterfly group that currently includes 102 species [ 2 ] and contain 17 genera in two or three subtribes , depending whether the enigmatic genus Bia is assigned here as the most basal lineage.