leaf insect Phyllium giganteum. The Walking Leaf Insect is one of the most remarkable leaf mimics in the animal kingdom. It occurs from Southeast Asia to Australia. Leaf insects use camouflage to take on the appearance of leaves. They can be as long as 7 inches. Beautiful Bugs, Beautiful Butterflies, Amazing Nature, Cool Insects, Bugs And Insects, Nature Animals, Animals And Pets, Cute Animals, Beautiful Creatures