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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 ...
Since the caterpillars are cannibalistic, females lay their eggs singly on pawpaw leaves or on the tree trunks. The round egg is pale green, later turning orange brown. 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 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. It has dark stripes on its back and sides surrounded by yellow or orange stripes.
The larvae are black with orange spots arranged in lines down the whole body. Their head's prothoracic shield, and the anal plate, are one color, either green or orange with small black dots. [3] A tail-like spine protruding from the back of the body is a typical for sphingid moth caterpillars, known as “hornworms”. [2]
Both the forewings and the hind wings are rounded at the wing end. The antennae are combed on both sides. The female is red-yellow, her abdomen has a yellow spot. The wings are stubby. The basic colour of the caterpillar is red, the head is black. On the red body there are black dorsal shields, which are segmented by yellow stripes. [1]
The spiny caterpillars are striking in appearance, with black bodies and a line of eight reddish-orange dots running down the back (aposematic, warning coloration). The prolegs are dark red. The body is covered with short hairs and black spines and white dots. [2] The fully grown mourning cloak caterpillars attain two inches in length. [3]
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).
The terms gregaria and solitaria were given to the caterpillars raised in groups and in solitude, respectively. These two phases can also be referred to as gregarious and solitary or crowded and isolated. Gregaria larvae have black bodies and thin yellow, horizontal stripes along their bodies.