The Closebanded Yellowhorn (Colocasia propinquilinea) is a moth of the Noctuidae family. It is found from Newfoundland and Labrador, west across the southern edge of the Boreal forest to central Alberta, south to North Carolina, Missouri and Arkansas. The wingspan is 35–45 mm. Adults are on wing from April to July in the south and from May to August in the north. There is one generation per year in the north and two or more in the south. The larvae feed on the leaves of Betula. Other recorded hosts include Tilia americana, beech, elm, Ostrya virginiana, maple, oak, poplar, walnut and willow.