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The study transfers Odocnemis steindachneri to Nalassus, indicating its placement in the subgenus Horistelops.
A little-known Balkan species from Albania is transferred from the genus Odocnemis Allard, 1876 to the genus Nalassus Mulsant, 1854: Nalassus steindachneri (Apfelbeck, 1907), comb. n. The lectotype of this species is designated. External characters and features of male genitalia are shown and prove that this taxon belongs to the subgenus Horistelops Gozis, 1910. The distribution of Horistelops spp. in Europe is briefly discussed.
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М.В. Набоженко (2025) studied this question.
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