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Io moth


4 Images
1274001
Alex Mangini
USDA Forest Service

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

1274002
Alex Mangini
USDA Forest Service

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.

1274003
Alex Mangini
USDA Forest Service

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

1274004
Alex Mangini
USDA Forest Service

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.