How to identify it?
Larva
Larva thickset, dark green. Two columns of yellow round spots on dorsal. Body rear end with a red caudal horn.
Adult
Body fusiform, densely sage green pubescent. A pair of thick antennae on the head. Compound eyes big. 3 pairs of legs on thorax.

Scientific Classification

Phylum
Arthropods Class
Bugs Order
Moths and butterflies Family
Hawk moths Genus
Hyles Species
Bedstraw hawk-moth