Diachrysia balluca, the green-patched looper, is a moth of the family Noctuidae. The species was first described by Carl Geyer in 1832.[1] It is found in north-eastern North America from Nova Scotia west to Manitoba and south to western North Carolina. Great Smoky Mountains National Park is the southern limit of this species.[2] The only other records in the south are from the type locality of Georgia and a record from Liberty County in north-western Florida. These possibly represent strays.[3]
The wingspan is about 45 mm. Adults are on wing from June to September.
The larvae mostly feed on woody plants, including Humulus lupulus, Populus tremuloides, Laportea canadensis and Rubus.
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