Nymph
NYMPH, noun
1. In mythology, a goddess of the mountains, forests, meadows and waters. According to the ancients, all the world was full of nymphs, some terrestrial, others celestial; and these had names assigned to them according to their place of residence, or the parts of the world over which they were supposed to preside.
2. In poetry, a lady.
NYMPH, noun Another name of the pupa, chrysalis, or aurelia; the second state of an insect, passing to its perfect form.