Grasshoppers and other insects can have larval stages {molt}|, in which epidermal glands make enzyme that breaks down inside cuticle. Then folded inner cuticle grows. Then water or air intake breaks hard outer cuticle. Then new cuticle hardens, using calcium carbonate.
Cell groups {x organ} and sinus gland have hormone that prevents molting.
x organ has axon-tip bundles {sinus gland} that have hormone that prevents molting.
4-Zoology-Kinds-Arthropod-Insect
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Date Modified: 2022.0225