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The wings are black with a horizontal yellow line across the forewings, and a diagonal yellow line across the hindwing. The underside of the wings is yellow with accents of black. A small patch of red on the ventral wing (within the small blue band) allows for distinction from the similar-looking Schaus' swallowtail. [4] Seitz -"P. cresphontes Cr.
Yellow bear on milkweed.. It has a diet of a wide range of low-growing plants, including ground cover like grass and clover. The larvae are defoliators, skeletonizing the leaves they feed on, but only the late summer batch of caterpillars is plentiful enough to do much damage to crops.
After molting to the fourth instar, the caterpillar becomes green. 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.
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 larva is a caterpillar which may exceed 15 centimeters in length. It is black with aposematic yellow bands and a red-orange head. Toward the posterior end is an orange bump with a black horn roughly 2 centimeters long. The legs are orange with black spots. The pupa is about 7 centimeters long. It is yellow when new, turning brown and ...
The adult moth is covered in long fur in colors ranging from dull orange to lemon yellow, with hairy legs and fuzzy black feet. [ citation needed ] The cocoons that these caterpillars emerge from vary in size from 1.3 to 2.0 centimeters and contain small hair pockets on the back and flattened front end, the latter covering the operculum at ...
Once the egg hatches, a caterpillar emerges that is yellow to greenish, striped on sides, with black dots in rows across the back. The host plant may be sensitive peas (Chamaecrista), [7] sennas (Senna), [8] clovers (Trifolium), or other legumes (Fabaceae). The caterpillar will usually grow to a length between 41 and 45 mm (1.6 and 1.8 in).