Corticeus unicolor Piller & Mitterpacher 1783

Corticeus (s. str.) unicolor Piller & Mitterpacher, 1783 Gerend et al. 2007: 290; Köhler 2009: 65, 109; 2011a: 90, 130; 2012: 89, 125; 2013: 65, 102. Material. 1 ex., Abweiler, 25.VII.1972, A. Mousset lgt. (MNHNL138564); 3 exx., Senningerberg, 28.IV.1977, A. Mousset lgt.(MNHNL138565–67); 1 ex., Manternach, Schlammbach, 26.II.1997, C. Braunert lgt.(MNHNL138568); 4 exx., Manternach, Michelslay, IX.1996, C. Braunert lgt. (MNHNL138569–70); 1 ex., Berdorf, Schnellert RFI, Lehmring, 24.VIII.1997, C. Braunert lgt. (MNHNL138571); 1 ex, Luxembourg City, Bambësch, 25.V.2008, F. Vitali lgt. (CFV); 1 ex, ditto, on Picea, 26.IV.2009 (CFV); 1 ex, ditto, on Quercus, 24.V.2009 (CFV); 1 ex, Remich, Wellenstein, on Quercus, 4.V.2012 (CFV); 1ex, Hesperange, Petange, Moericke trap, 24.IV–15.V.2012, E. Carrières lgt. (CFV). Note. A detriticolous and mycetophagous species, widespread throughout all adjacent regions (Géhin 1846; Fournel & Géhin 1847; Everts, 1903; Köhler & Klausnitzer 1998; Soldati, 2007; Thomaes et al. 2025). The species is abundant in the Guttland, Saarland (Lillig 1999) and all departments of Lorraine (F. Soldati in litt.), but appears to be localized in Belgium (Libbrecht 1988) and the Netherlands.