Abstract
The Neotropical genus Piezonemus Jordan, 1904 (Anthribidae: Anthribinae: Piesocorynini Valentine, 1960) is reviewed. Lectotypes are designated for Piezonemus durus Jordan, 1904 and P. lateralis Jordan, 1904. A new species, Piezonemus espoch Trýzna, Caballero-Serrano & Carrasco sp. nov., from Ecuador is described. A key to the now three known species of Piezonemus, and colour photographs of the types, are provided. Distinguishing features of the morphologically similar species of the genera Piezonemus and Piesocorynus Dejean, 1834 are given. A key to world genera of the tribe Piesocorynini is presented. The genus Afrophaenotherion Frieser, 1984 is here transferred from the tribe Stenocerini Kolbe, 1895 to the tribe Piesocorynini (new placement).
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