Thursday 11 February 2016

N. 58: M. A. Alonso-Zarazaga, R. Caldara & H. Winkelmann

G. it. Ent., 13 (58): 341-350
April 2013

On the systematic position of some overlooked weevil taxa described by Schrank in 1798 and by Gravenhorst in 1807 (Coleoptera, Curculionidae)

by

MIGUEL A. ALONSO-ZARAZAGA, ROBERTO CALDARA,
HERBERT WINKELMANN

Abstract - In accordance with the ICZN (1999), several actions are taken to preserve nomenclatural stability of taxa currently belonging to the Curculionidae. Following the provisions of ICZN Article 23.9.1 Pseudostyphlus pillumus (Gyllenhal, 1835) (formerly Erirhinus) is made a nomen protectum and Rhynchaenus pilumnus Gravenhorst, 1807 is made a nomen oblitum; Cleopomiarus graminis (Gyllenhal, 1813) (formerly Rhynchaenus) is made a nomen protectum and Rhynchaenus cinerascens Gravenhorst, 1807 is made a nomen oblitum. Having met the conditions of ICZN Article 75, neotypes of Curculio amentorum Schrank, 1798; Curculio salicti Schrank, 1798; Orchestes maurus Gravenhorst, 1807; Orchestes ornatus Gravenhorst, 1807; Rhynchaenus alismatis Gravenhorst, 1807; Rhynchaenus cinerascens Gravenhorst, 1807; Rhynchaenus nigritulus Gravenhorst, 1807; Rhynchaenus notatus Gravenhorst, 1807; Rhynchaenus pilumnus Gravenhorst, 1807; Rhynchaenus productus Gravenhorst, 1807; Rhynchaenus rubrirostris Gravenhorst, 1807; Rhynchaenus vacillans Gravenhorst, 1807; Salius helicis Schrank, 1798; and Salius secalis Schrank, 1798 are designated. The following new combination is proposed: Dorytomus rubrirostris (Gravenhorst, 1807) comb. n. from Rhynchaenus. The following new synonymies are proposed: Anthonomus phyllocola (Herbst, 1795) (= Rhynchaenus nigritulus Gravenhorst, 1807 syn. n.); Bagous alismatis (Marsham, 1802) (= Rhynchaenus alismatis Gravenhorst, 1807 syn. n.; = Rhynchaenus productus Gravenhorst, 1807 syn. n.; = Rhynchaenus vacillans Gravenhorst, 1807 syn. n.); Bagous frit (Herbst, 1795) (= Rhynchaenus notatus Gravenhorst, 1807 syn. n.); Cleopomiarus graminis (Gyllenhal, 1813) (= Rhynchaenus cinerascens Gravenhorst, 1807 syn. n.); Dorytomus majalis (Paykull, 1792) (= Curculio amentorum Schrank, 1798 syn. n.); Dorytomus rubrirostris (Gravenhorst, 1807) (= Curculio affinis Paykull, 1800 syn. n.); Dorytomus taeniatus (Fabricius, 1781) (= Curculio salicti Schrank, 1798 syn. n.); Isochnus foliorum (O. F. Müller, 1764) (= Salius helicis Schrank, 1798 syn. n.); Orchestes hortorum (Fabricius, 1792) (= Orchestes ornatus Gravenhorst, 1807 syn. n.); Orchestes pilosus (Fabricius, 1781) (= Salius secalis Schrank, 1798 syn. n.); Orchestes jota (Fabricius, 1787) (= Orchestes maurus Gravenhorst, 1807 syn. n.); Pseudostyphlus pillumus (Gyllenhal, 1835) (= Rhynchaenus pilumnus Gravenhorst, 1807 syn. n.). Dorytomus edoughensis Desbrochers des Loges, 1875 is removed from the synonymy with Dorytomus affinis (Paykull, 1800) and considered a distinct species.