Green caterpillar on trumpet honeysuckle - Hemaris diffinis
near Yellville and Flippin, Marion County, Arkansas, USA
September 18, 2018
Size: approximately 2 inches
Has a black horn and black feet. White circles with black dots in center along sides. Whitish on top. Also has a brown "version" just like the green only brown.
Found on trumpet honeysuckle eating leaves.