ZFMK Collection Specimen ZFMK-COL-105676 1937-4-2 1937-4-2 51.786726 6.129540 Dytiscidae Coleoptera Acilius (Acilius) sulcatus (Linnaeus, 1758) specimen rdf document for ZFMK Collection Specimen ZFMK-COL-105676