Figure 4: Early (top) and late (bottom) larvae of C. rosaceana, also known as the oblique-banded leafroller.
Two images of caterpillars. Top: a pale green caterpillar with a dark head (early instar). Bottom: A larger green caterpillar with a brown head (late instar).

Photo by Todd M. Gilligan and Marc E. Epstein (top) and Royal Tyler (bottom)