Which outcome occurs when parasitoid wasp venom inhibits ecdysone production in a developing insect pupa?

💡 Explanation

When parasitoid wasp venom inhibits ecdysone production, chitin deposition proceeds during the pupal stage, forming a rigid, but malformed 'nymphoid', because ecdysone is essential for triggering the molt into the adult stage including protein synthesis. Therefore, the pupa remains a hardened nymphoid, rather than adult metamorphosis, delayed molting, or accelerated pupation, which require functional ecdysone cascades.

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