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A spiny elm caterpillar, larva of the mourningcloak butterfly, Nymphalis antiopa.

Spiny elm caterpillar, black with orange and white spots, the larva of mourningcloak butterfly, Nymphalis antiopa Nymphalidae. Novato, CA. June 1999 1/2x by Pavel Svihra Credit: Pavel Svihra — Credit: Pavel Svihra

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