"Serangga daun" is common name in Indonesia language for this
exotics leaf insects or phasmids. They have various shapes mimicking
the leaf and many different colors, like green, yellow and red. The
host plant where they live is "pohon jambu" or guava plant and they
eat the leaf. There many species of this kind of leaf insect, such
as: phyllium giganteum, phyllium pulchrifolium, phyllium celebicum,
etc.