Eastern black swallowtail butterfly: Second larval instar

Eastern black swallowtail butterfly: Second larval instar

Like all insects, butterfly and moth caterpillars have only six true legs — visible here just behind the larva’s head. The “prolegs” further back along its body aid in walking, but will disappear when the butterfly becomes an adult.Like all insects, butterfly and moth caterpillars have only six true legs — visible here just behind the larva’s head. The “prolegs” further back along its body aid in walking, but will disappear when the butterfly becomes an adult.

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