What unique identification challenge is presented by the female Eastern Tiger Swallowtail larva in some regions?
Answer
She mimics the distasteful Pipevine Swallowtail by appearing entirely dark or black
In some regions, the female Eastern Tiger Swallowtail (*Papilio glaucus*) exhibits a phase where it mimics the appearance of the distasteful Pipevine Swallowtail, resulting in an entirely dark or black coloration.

#Videos
Meet The Black Swallowtail Caterpillar - YouTube
Related Questions
What feature gives the swallowtail family its common name?What shape does the osmeterium take when deployed by a stressed swallowtail caterpillar?What sensory element is associated with the deployment of the osmeterium?How do newly hatched Black Swallowtail larvae typically appear?What colors primarily characterize the later instars of the Black Swallowtail caterpillar?What family of plants are Black Swallowtails strongly associated with for feeding?How do Monarch caterpillars differ visually from the banded patterns of Black Swallowtails?Where is the osmeterium structure typically hidden when it is not deployed?What unique identification challenge is presented by the female Eastern Tiger Swallowtail larva in some regions?If a caterpillar is found eating milkweed, what family is it most likely belonging to?