Tetanops sintenisi new for the Netherlands (Diptera: Ulidiidae) The first record of Tetanops sintenisi Becker, 1909 for the Netherlands is given. A female was swept from a vegetation dominated by Caluna vulgaris in Bargerveen near the town of Zwartemeer, province of Drenthe. A key is provided for the three species of Tetanops occurring in northwestern Europe.