ZFMK Collection Specimen ZFMK-COL-105669 1917-6-9 1917-6-9 50.777143 7.095771 Dytiscidae Coleoptera Acilius (Acilius) sulcatus (Linnaeus, 1758) specimen rdf document for ZFMK Collection Specimen ZFMK-COL-105669