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The swollen thorax has two black, yellow, and blue eyespots. These eyespots are much smaller than those of the similar-looking spicebush swallowtail caterpillar. A yellow and black transverse stripe is present between the first and second abdominal segments. It is concealed between the folds of the segments when the caterpillar is at rest.
Like several other Arctiinae larvae, cinnabar caterpillars can turn cannibalistic. This is mainly due to lack of food, but they can eat other cinnabar larvae. [4] Initially, the larvae are pale yellow, but later larval stages develop a jet-black and orange/yellow striped colouring.
The caterpillar is yellow, brown or black with sparse long, soft, pale setae. It has dark stripes on its back and sides surrounded by yellow or orange stripes.
The chemicals are also carried on into the adult stages. These toxic species, such as the cinnabar moth (Tyria jacobaeae) and monarch (Danaus plexippus) caterpillars, usually advertise themselves with the danger colors of red, yellow and black, often in bright stripes (see aposematism). Any predator that attempts to eat a caterpillar with an ...
The more mature caterpillars vary in color, often displaying bright and conspicuous hues, usually with prominent black and light yellow longitudinal stripes. The top stripe is black, the top-lateral stripe and the stripe below the spiracles are cream to bright yellow, and the spiracle stripe and bottom stripe are black and marked with numerous ...
Young caterpillars are black with lighter colored transverse stripes. Older larvae have two color forms. The more common form is green with yellow and white transverse stripes; the rarer form is black and banded with white and orange. In both forms, between the swollen thorax and the abdomen, there is a yellow, black, and bluish-white band.
A tail-like spine protruding from the back of the body is a typical for sphingid moth caterpillars, known as “hornworms”. [2] This horn, which may sometimes be yellow and have a black tip, is not a stinger, and the caterpillars are not harmful to humans. [7] The larvae can also sometimes be lime green and black.
The caterpillars are black, dark brown, or gray, with broad blue longitudinal stripes and thin yellow stripes extending along each side. The back of each abdominal segment bears a white spot that is wider toward the head end. The sides are partially covered with fur-like long setae. [2]