Curled up under the bright lights (head at right-center). Defensive urticating spines are visible - including the thin brown "hypodermic needles" with the irritating defense chemical. 2X magnification

Urticating spines on the dorsal surface of the larva. The thin brown "hypodermic needles" have been broken off when the larva was positioned under the scope. 3X magnification.

Right lateral side showing a spiracle. The characteristic red and white lateral lines are also visible. 3X magnification.

Close up the a spiracle. The fine structure of the spiracle opening is visible. Also, the translucent, patterned nature of the exoskeleton is visible. 10X magnification.