Spinturnix americana is a species of mite that parasitizes bat wings. It was described as a new species in 1902 by American entomologist Nathan Banks. Banks initially placed it in the now-defunct genus Pteroptus. The holotype had been collected from a bat in a cave in Indiana. Species that it affects include the little brown bat, northern long-eared bat, and riparian myotis. It has been documented affecting bats in Indiana and Pennsylvania in the United States, Nova Scotia in Canada, and Mato Grosso in Brazil.

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