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The oldest butterfly fossils have been dated to the Paleocene, about 56 million years ago, though molecular evidence suggets they likely originated in the Cretaceous. [1] Butterflies have a four-stage life cycle, and like other holometabolous insects they undergo complete metamorphosis. [2]
Many species are brightly coloured and include popular species such as the emperors, monarch butterfly, admirals, tortoiseshells, and fritillaries. However, the under wings are, in contrast, often dull and in some species look remarkably like dead leaves, or are much paler, producing a cryptic effect that helps the butterflies blend into their ...
Papilio machaon, the Old World swallowtail, is a butterfly of the family Papilionidae.The butterfly is also known as the common yellow swallowtail or simply the swallowtail (a common name applied to all members of the family, but this species was the first to be given the name).
The U.S. Fish and Wildlife Service is pushing for added protections for the monarch butterfly after seeing a population decline of about 80%. The service announced a proposal to list the butterfly ...
Monarch butterflies, known for migrating thousands of miles (km) across North America, have experienced a decades-long U.S. population decline due to habitat loss caused by human activities such ...
Spongy moths sometimes form butterfly-style pupae, hanging on twigs or tree bark, although usually they create flimsy cocoons out of silk webbing and leaf bits, leaving the pupa exposed. The plume winged moths of the family Pterophoridae also pupates without a cocoon and the pupa resembles the chrysalis of the pierid butterfly. A few skipper ...
Media related to Butterflies of North America at Wikimedia Commons "Butterflies of North America" (1868-1872) by W. H. Edwards from the American Entymological Society; second series (1884), third series (1897)
Lepidoptera (/ ˌ l ɛ p ɪ ˈ d ɒ p t ər ə / LEP-ih-DOP-tər-ə) or lepidopterans is an order of winged insects which includes butterflies and moths.About 180,000 species of the Lepidoptera have been described, representing 10% of the total described species of living organisms, [1] [2] making it the second largest insect order (behind Coleoptera) with 126 families [3] and 46 superfamilies ...