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1 January 2009 Acentrella nadineae, A New Species of Small Minnow Mayflies (Ephemeroptera: Baetidae)
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Abstract

A new species of the two-tailed small minnow mayfly genus Acentrella Bengtsson (Ephemeroptera: Baetidae) is described as Acentrella nadineae, new species, based on highly distinctive larvae taken from high quality streams in southern and eastern Ohio. The species is differentiated by a short tibia tarsus of the forelegs; long, evenly spaced, moderately dense setae along the dorsal edge of the femora; highly asymmetric gills with mediobasal markings; no dorsomedial abdominal projections; no developed hindwingpads; and typically a relatively dark abdominal tergum 7 and light abdominal tergum 8. The new species is also reported from North Carolina, and sometimes co-occurs with the more common and widespread, but similarly sized A. turbida (McDunnough).

W. P. McCafferty, R. D. Waltz, and J. M. Webb "Acentrella nadineae, A New Species of Small Minnow Mayflies (Ephemeroptera: Baetidae)," Proceedings of the Entomological Society of Washington 111(1), 12-17, (1 January 2009). https://doi.org/10.4289/0013-8797-111.1.12
Published: 1 January 2009
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