Apion-Studien (Coleoptera: Curculionidae).

Es werden fünf Artengruppen der Gattung Apion Herbst (curtirostre Germar, loti Kirby, trifolii Linné = aestivum Germar, frumentarium Paykull, curtisi Stephens) taxonomische Revisionen durchgeführt und Beiträge zur Biologie und Verbreitung der behandelten Arten gegeben.Nomenklatorische Handlungenaestivum Germar, 1817 (Apion), syn. n. of Apion trifolii (Linnaeus, 1768)loti Kirby, 1808 (Apion), Lectotypemaroccanum Desbrochers, 1908 (Apion), syn. n. of Apion loti Kirby, 1808ruficroides Schatzmayr, 1926 (Apion), Lectotypesibiricum Boheman, 1839 (Apion), Lectotypesicardi Desbrochers, 1893 (Apion), LectotypeTaxonomic revisions are made for vive groups of species of the genus Apion Herbst (curtirostre Germar, loti Kirby, trifolii Linné = aestivum Germar, frumentarium Paykull, curtisi Stephens) and contributions to the biology and distribution of these species are given. Nomenclatural Actsaestivum Germar, 1817 (Apion), syn. n. of Apion trifolii (Linnaeus, 1768)loti Kirby, 1808 (Apion), Lectotypemaroccanum Desbrochers, 1908 (Apion), syn. n. of Apion loti Kirby, 1808ruficroides Schatzmayr, 1926 (Apion), Lectotypesibiricum Boheman, 1839 (Apion), Lectotypesicardi Desbrochers, 1893 (Apion), Lectotyp