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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 larval stage of C. catalpae is known as the catalpa or catawba worm. When first hatching, the larvae are very pale, but become darker toward the last instars.The yellow caterpillars will usually have a dark, black stripe down their back along with black dots along their sides.
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 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 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]
The caterpillar is almost all black with dusted white spots. Sometimes, it has a yellow-orange stripe or two smaller stripes along the side. The family Nymphalidae is known for its branched spines.
The body of the caterpillar is distinctive because it is marked with longitudinal black and yellow stripes. [7] The caterpillars feed on wych elm and European elm. [3] The pupa hibernates underground. The caterpillars live on several deciduous trees such as Fagus sylvatica, Ulmus glabra, and Ulmus procera. [5]
The eyecatching older larvae are black and white spotted with bright yellow stripes. The mature larva is about 4 centimeters long. After this stage it pupates through the winter in a cocoon of chewed plant matter and leaf litter. Damage to the plants is done by the voracious feeding of the caterpillars.