Daphnis nerii, the oleander hawk-moth or army green moth, is a moth of the family Sphingidae. It was described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. Wikipedia
The intervals between molts are called instars. Oleander hawk-moth caterpillar go through five instars
Base on the photos below:
Green Color is Forth Instar
Brown Color is Fifth Instar
