Which fuzzy caterpillar, also in Erebidae, is distinguished from *P. isabella* by its often uniform coloration?
Answer
*Estigmene acrea* (Salt Marsh Caterpillar)
The Woolly Bear Caterpillar of the Salt Marsh Moth, scientifically designated as *Estigmene acrea*, serves as a primary look-alike that must be distinguished from *P. isabella*. While both belong to the Family Erebidae and possess fuzziness, the larvae of *E. acrea* generally exhibit a more uniform coloration, ranging from yellowish-white to dark brown or black. This contrasts sharply with the defining characteristic of *P. isabella*, which possesses distinct, segmented banding patterns featuring clear black and reddish-brown hues.

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