Polyphemus Moth

Photo by Bill Reynolds

Photo by Bill Reynolds

Polyphemus moth (Antheraea polyphemus) is a common, extra large, giant silkworm moth. With a wingspan of 4″ to 6″ it is one of the two largest moths native to North America. The caterpillar either descends to the ground and spins a cocoon in leaf litter or spins a cocoon in a rolled leaf of the host plant which falls to the ground at the end of the season. The adult is short-lived, lasting only 4 days.

Polyphemus moth (Antheraea polyphemus)

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