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In the first eight weeks after emergence, the Polyphemus caterpillar exhibits extreme feeding behaviour, consuming a massive volume of plant material relative to its own size.
The growth phase of the Polyphemus moth is marked by intense consumption. After emerging, the caterpillar feeds heavily on its host plant to facilitate its rapid development.
This rapid growth allows the caterpillar to reach a length of 3–4 inches by the final instar.
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Wikipedia · reference work
Where: Antheraea polyphemus
Quote: "The caterpillar can eat a total of 86,000 times its weight in the first eight weeks after it emerges."
Accessed October 4, 2026 · automated link check pending
Wikipedia · reference work
Where: Antheraea polyphemus
Quote: "They feed heavily on their host plant and can grow up to 3–4 inches long."
Accessed October 4, 2026 · automated link check pending
