St. Aignan's trumpet-eared bat (Kerivoula agnella), also known as the Louisiade woolly bat, is a species of vesper bat in the family Vespertilionidae. It is found only in Papua New Guinea, and is only endemic to the islands, not the mainland.[1] The species has been recorded on the islands of Fergusson, Vanatinai, Woodlark, and Misima.Its natural habitat is subtropical or tropical dry forests.