Which hormonal imbalance disrupts complete insect metamorphosis during pupation stages, leading to improper adult development?

💡 Explanation

When juvenile hormone (JH) levels remain excessively high during pupation, JH overrides the molting hormone ecdysone, because their ratio determines the developmental pathway, which causes the insect to revert to a larval form rather than forming a proper adult. Therefore excess juvenile hormone results, rather than inhibition, suppression or insufficiency, all of which would permit typical metmorphic timing.

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