It has a body length of 32 to 39 mm with a wingspan of 60 to 68 mm.
The body is black in both sexes and has large colourful spots on the thorax and abdomen. On the abdominal segments S2 to S7 they are almost as large as the segments and triangular. The pterostigmata and appendages are black.
In the male, the abdomen is club-shaped, the spots on segments S2 to S6 are red-brown, the one on S7 is yellow.
The female has yellow spots on the relatively broad abdomen.
The Large white-faced darter standing bog waters that are nutrient-poor and pH-neutral. It can also be found in old peat bogs.
Literature:
- K.-D. Dijkstra, Libellen Europas, 2. Auflage, Haupt Verlag Bern 2021,ISBN 3-258-08219-6, S. 277 f
- K. Sternberg / R. Buchwald, Libellen Baden-Württembergs, Bd. 2, Ulmer Verlag Stuttgart 2000, ISBN 3-8001-3514-0, S. 415–427
- H. Wildermuth, A. Martens, Die Libellen Europas, Quelle & Meyer Wiebelsheim 2018, 3-494-01690-9, S. 641 ff
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