Abstract
Abstract We captured 159 bats in the Allegheny Plateau and Ridge and Valley physiographic provinces of West Virginia during summer 1998, including the northern long-eared myotis (Myotis septentrionalis; n = 40), little brown myotis (M. lucifugus; n = 34), big brown bat (Eptesicus fuscus; n = 29), eastern pipistrelle (Pipistrellus subflavus; n = 27), eastern red bat (Lasiurus borealis; n = 22), hoary bat (L. cinereus; n = 5), and silver-haired bat (Lasionycteris noctivagans; n = 2). We analyzed fecal pellets of each bat to determine food habits. Diets of northern long-eared myotis and eastern red bats were dominated by Coleoptera (42.3 and 24.5%, respectively) and Lepidoptera (31.1 and 47.0%, respectively). Diet of big brown bats primarily consisted of Coleoptera (67.5%). Diet of hoary bats was dominated by Lepidoptera (98%). Diet of silver-haired bats was moderately diverse, but primarily composed of Lepidoptera (47.5%) and Diptera (20.0%). Diets of little brown myotis and eastern pipistrelles were highly...
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