butterfly

Butterflies are winged insects from the lepidopteran superfamily Papilionoidea, characterised by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossils have been dated to the Paleocene, about 56 million years ago, though molecular evidence suggests that they likely originated in the Cretaceous. As holometabolous insects, butterflies undergo complete metamorphosis, meaning that their life cycle comprises four stages.

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Ellipsaria lineolata es una especie de molusco bivalvo de la familia Unionidae. Distribución geográfica Es endémica de los Estados Unidos. Referencias Bogan, A.