When they've grown big enough, they swim to the surface to molt and fly to land.
From the dispatch.com
The larvae, or wigglers, molt and become pupae, or tumblers, which become adults.
From the chron.com
They quickly climb the nearest vertical surface to molt and unroll their wings.
From the foxnews.com
On the other hand, today's modern arthropods molt the very same way every time.
From the sciencedaily.com
Before a molt, the snake stops eating and often hides or moves to a safe place.
From the en.wikipedia.org
Some summers more than 200 swans gather on the pond while their feathers molt.
From the projo.com
But infected caterpillars do not molt again once levels of EGT become high enough.
From the sciencedaily.com
Alive Mole Crab and Peeler Crab baits in the copper penny and molt color patterns.
From the delawareonline.com
He's going to use a crawfish molt pattern Monday morning, as it's that time of year.
From the sacbee.com
More examples
Periodic shedding of the cuticle in arthropods or the outer skin in reptiles
Shed: cast off hair, skin, horn, or feathers; "our dog sheds every Spring"
In biology, moulting or molting (both pronounced), also known as sloughing, shedding, or for some species, ecdysis) is the manner in which an animal routinely casts off a part of its body (often but not always an outer layer or covering), either at specific times of year, or at specific points ...
(Molting (Arthropoda)) Ecdysis is the moulting of the cuticula in arthropods and related groups (Ecdysozoa). Since the cuticula of these animals is also the skeletal support (the exoskeleton) of the body and is inelastic, it is shed during growth and a new, larger covering is formed. ...
The skin or feathers cast off during the process of molting; To shed hair, feathers, skin, horns etc. and replace it by a fresh layer; To shed in such a manner
(Molting) The shedding of the exoskeleton of crustaceans in order to grow.
(molting) to lose the old skin or exoskeleton; similar to shedding
(Molting) Or ecdysis, is the shedding of an old cuticle and formation of a new one.
(Molting) The growing method of arthropods. The arthropod discards its original small exoskeleton and grows a new larger one