the.com/imago
The final form: when nature stops drafting and finally hits publish.
means The fully developed, sexually mature adult stage of an insect, like the butterfly after metamorphosis.
from From Latin imago, meaning image or likeness — the insect's true picture, finally rendered after all the larval rough sketches.
Psych stealFreud borrowed it for our idealized parent-image.
PluralImagines or imagoes, both correct.
No more growingAdult insects never molt again.