Life stages of the redhumped caterpillar, Schizura concinna. A, B. Adults (moths), C. Eggs and first instars, D. Fourth instar, E. Fifth (last) instar, F. Cocoons on the ground, one cut open revealing the prepupa inside.

A colored, hand-drawn illustration. Credit: From Snodgrass RE, 1930. Insects: Their Ways and Means of Living.
Credit: From Snodgrass RE, 1930. Insects: Their Ways and Means of Living.