Revision of the Swedish species of Metopius Panzer, 1806 (Hymenoptera: Ichneumonidae: Metopiinae) with an illustrated key to the species of Northwestern and Central Europe

Abstract

The Swedish species of the genus Metopius are revised. Ten species are recorded from Sweden and an additional four species are included in an illustrated key to the species occurring in Northern and Central Europe. Metopius dentatus (Fabricius, 1779) is interpreted and a neotype is designated. Metopius vespulator Aubert, 1979 stat. rev. is reinstated as a valid species. Lectotypes are designated for Metopius brevispina Thomson, 1887, Metopius interruptus Thomson, 1887 and M. croceicornis Thomson, 1887. Seventeen new synonymies are proposed: Metopius harpyiae Clement, 1930 syn. nov. and M. certus Tolkanitz, 1993 syn. nov. of Metopius contractus Clement, 1930; Metopius erythropus Kriechbaumer, 1894 syn. nov., Metopius similatorius Pfankuch, 1914 syn. nov., Metopius dumeticola Hensch, 1928 syn. nov., Metopius banaticus Kiss, 1929 syn. nov., Metopius mediterraneus Clement, 1930 syn. nov., Metopius citratus minutus Clement, 1930 syn. nov. and Metopius curtiventris Clement, 1930 syn. nov. of Metopius citratus Geoffroy, 1785; Metopius interruptus Thomson, 1887 syn. nov., Metopius alanicus Tolkanitz, 2002 syn. nov., Metopius tristis Clement, 1930 syn. nov., Metopius clementi Tolkanitz, 2015 syn. nov. (obj. syn. M. laticinctellus) and Metopius laticinctellus Horstmann & Yu, 1999 syn. nov. of Metopius dentatus (Fabricius, 1779); Metopius longispina Clement, 1930 syn. nov. of Metopius scrobiculatus Hartig, 1838; Metopius continuus Tolkanitz, 1979 syn. nov. of Metopius croceicornis Thomson, 1887 and Metopius bellatorius Forster, 1850 syn. nov. of Metopius pinatorius Brulle, 1846.