“Cyclocephala nigricollis” Burmeister is a relatively common species in some parts of the southern United States, with disjunct populations in Virginia and the Carolinas in the eastern United States. After examination of specimens and the literature, we conclude that C. nigricollis is a nomen dubium and that its neotype was invalidly proposed. Accordingly, Cyclocephala robusta LeConte, as the next available name, is the correct designation for this taxon.
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