Ionel G. Tabacaru (1932–2024), overview of his scientific activities

The essay retraces the scientific activity of Dr. Ionel Grigorie Tabacaru viewed under three aspects: (1) the working-places and the personalities of the specialists with whom he collaborated; (2) the invertebrate groups he studied: aquatic insect larvae of Ephemeroptera and Plecoptera, terrestrial arthropods belonging to two groups Myriapoda (Diplopoda and Symphyla) and finally, Crustacea Isopoda, especially Oniscidea; (3) social activities related to his scientific research at different moments of his career.