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Butterflies comprise the true butterflies (superfamily Papilionoidea), the skippers (Superfamily Hesperioidea) and the moth-butterflies (Superfamily Hedyloidea). Butterflies exhibit polymorphism, mimicry and aposematism. Some are known to migrate over large distances. Some butterflies have evolved symbiotic and parasitic relationships with social insects such as ants. Butterflies are important economically as one of the major agents of pollination. In addition, a number of species are pests, because they can damage domestic crops and trees.
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Wikipedia about butterflies

Butterflies comprise the true butterflies (superfamily Papilionoidea), the skippers (Superfamily Hesperioidea) and the moth-butterflies (Superfamily Hedyloidea). Butterflies exhibit polymorphism, mimicry and aposematism. Some are known to migrate over large distances. Some butterflies have evolved symbiotic and parasitic relationships with social insects such as ants. Butterflies are important economically as one of the major agents of pollination. In addition, a number of species are pests, because they can damage domestic crops and trees.
Culturally, butterflies are a popular motif in the visual and literary arts and can also flap their wings faster than humans can blink their eyes.
Evolution and taxonomy
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Presently butterflies are classified in three superfamilies, Hedyloidea, consisting of the 'American moth-butterflies', Hesperioidea, consisting of the 'skippers' and Papilionoidea or 'true butterflies'. The last two superfamilies are probably sister taxa, so the butterflies collectively are thought to constitute a natural group or clade.
The scope of the term butterfly depends on how far the concept is extended. Currently, most experts include the superfamilies Hedyloidea (the American moth-butterflies), Hesperioidea (the skippers) and Papilionoidea (the so-called 'true' butterflies). This concept of butterflies including the Hedyloidea is a recently expanded one, but it makes the group a natural clade, the Rhopalocera.Scoble, M.J. (1986). The structure and affinities of the Hedyloidea: a new concept of the butterflies. Bull. Brit. Mus. (nat. Hist.) (Ent.), 53: 251-286
Butterfly families
The five families of true butterflies usually recognized in the Papilionoidea butterfly
- Family Papilionidae, the Swallowtails, Apollos and Birdwings
- Family Pieridae, the Whites and Yellows
- Family Lycaenidae, the Blues and Coppers, also named the Gossamer-Winged Butterflies
- Family Riodinidae, the Metalmark butterflies
- Family Nymphalidae, the Brush-footed butterflies
The superfamily Hesperioidea comprises one family only, albeit a large one, the skippers of family Hesperiidae, whereas the superfamily Hedyloidea also consists of a single family Hedylidae with about 40 species.
Taxonomic issues
A study combining morphological and molecular data concluded that Hesperiidae, Papilionidae, Pieridae, Lycaenidae and Riodinidae could all be strongly supported as monophyletic groups, but the monophyletic status of Nymphalidae is uncertain. Lycaenidae and Riodinidae were confirmed as sister taxa, and Papilionidae as the outgroup to the rest of the true butterflies, but the location of Pieridae within the pattern of descent was unclear, with different lines of evidence suggesting different conclusions. The data suggested that the Hedyloidea are indeed more closely related to the butterflies than to other moths.
























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