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 Trzna, 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).

Escuela Superior Politcnica de Chimborazo ; EC170502; Quito; Ecuador

Escuela Superior Politcnica de Chimborazo ; Facultad de Recursos Naturales; Panamericana sur km 1 1 2; EC060150; Riobamba; Ecuador

Mendel University in Brno; Faculty of Forestry and Wood Technology; Department of Forest Ecology; Zemdlsk 3; CZ 613 00 Brno; Czech Republic; Municipal Museum of st nad Labem; Natural History Department; Masarykova 1000 3; CZ 400 01 st nad Labem; Czech Republic; Czech University of Life Sciences Prague; Faculty of Tropical AgriSciences; Kamck 127; CZ 165 00 Praha 6 Suchdol; Czech Republic

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