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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 ]
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.
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.
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]
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. The other genera are divided into one small and more ancestral ...
Caligo atreus, the yellow-edged giant owl, is a butterfly of the family Nymphalidae. The species can be found from Mexico to Peru. [1] Upperside. The wingspan is 140–160 mm. The larvae feed on Musa and Heliconia species and can be a pest for banana cultivation. Adults feed on juices of rotting fruit.
Caligo eurilochus, the forest giant owl, is an owl butterfly (tribe Brassolini of nymphalid subfamily Morphinae) ranging from Mexico, through Central America, to the Amazon River basin in South America. It is a very large butterfly, among the largest in its family, with a wingspan up to 17 centimetres. The type locality is Suriname. [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.