Caenurgia chloropha, the vetch looper moth, is a moth of the family Erebidae. The species was first described by Jacob Hübner in 1818. It is found in the south-eastern United States,[3] northern Mexico and Cuba.[4] Strays may be found as far north as southern Ontario.
The wingspan is about 27–36 mm.[5] There are two or more generations per year with adults on wing from April to October.
The larvae feed on vetch and other legumes. Full-grown larvae may be found from May onward.