Describe/explain the role of hormones in metamorphosis in insects.

Answer:

-During larval stages of the insect the corpora allata; produces/ secretes juvenile hormone; which inhibits metamorphosis; (by stimulating formation of larval cuticle hence moulting does not go beyond the larval stage).
-When the larva matures, the corpus allatum disintegrates; hence the level of juvenile hormone drops; low level of juvenile hormone stimulates intercerebral gland; in the brain secretes moulting stimulating hormone (MSH);
-The moulting stimulating hormone stimulates the prothoracic gland; to secrete moulting hormone (ecdysone); which stimulates moulting; (leading to laying of adult cuticle).

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