Xuthus

Inspired by the enhanced visual system of the Papilio xuthus butterfly, a team of researchers have developed an imaging sensor capable of "seeing" into the UV range inaccessible to human eyes.

In particular, the Papilio xuthus, a yellow, Asian swallowtail butterfly, has not only blue, green and red, but also violet, ultraviolet and broadband receptors.

“Apollo did not say you were Xuthus’ own son.

“But then is the God of Truth false? He said I was Xuthus’ son.

This man, Xuthus by name, was a Greek, to be sure, but he did not belong to Athens or to Attica, and he was considered a stranger and an alien, and as such was so looked down on that when he and Creüsa had no children the Athenians did not think it a misfortune.