Structural colors are instead produced in a physical manner, similar to a rainbow. Morpho butterflies are the usual example of butterflies with structural color. The vision of butterflies appears to be excellent, especially within short distances. They are able to fly with precision in areas of many obstacles. Females are usually able to engage in mating on the day of emergence, but males do not normally mate for several days.
Courtship rituals vary widely among species.
Papilionidae butterfly Papilio ulysses New Guinea Nymphalidae butterfly Cyrestis nais Timor Nymphalidae butterfly Historis acheronta Honduras Papilionidae butterfly Ornithoptera paradisa New Guinea Smithsonian photos by Kjell B. Sandved. About 3,000 worldwide species. Blues, Hairstreaks and Coppers. Colors and patterns of sexes often differ. Over 5,000 world species.