Vettius fantasos, also known as the fantastic skipper, is a species of butterfly belonging to the family Hesperiidae.
It is native to Central and South America. It also rarely strays into the Lower Rio Grande Valley of Texas.
The underside of the hindwing is shining ivory white to silver with veins outlined in red-brown. The wingspan ranges from 1 1/16 to 1 1/4 inches (2.7-3.2 centimeters).