Nature is amazing: 19 transformations of caterpillars into butterflies (39 photos)
Amazing processes take place inside the cocoon: it starts genetic program, according to which all tissues of the caterpillar larva, for with the exception of the circulatory and nervous systems, are destroyed, and new organs are formed from imaginal discs (clusters of cells, peculiar embryos of future organs of the butterfly).
Large harpy, or spotted forktail (Cerura vinula)
Brahmin Moth
Peacock-eyed Cecropia (Hyalophora cecropia)
Machaon (Spicebush Swallowtail)
Black Machaon (Black Swallowtail)
Tailed emperor butterfly (Polyura sempronius)
Dalcerida (Acraga coa)
Moth (Acharia Stimulea)
Witch moth caterpillar (Phobetron pithecium)
Greta Oto, or Glass Winged Butterfly
Flannel Moth
Blue Morpho (Blue Morpho)
Slug (Isochaetes beutenmuelleri)
Silkworm (Hubbard's Small Silkmoth)
Slug Butterfly (Isa Textula)
Rainbow Blue Butterfly Swallowtail (Pipevine Swallowtail)
Spotted Apatelodes
Saturnia Io (Automeris.io)
Butterfly from the peacock-eye family (Attacus Atlas)