Lestes barbarus (tandem)
English name:	Shy Emerald Damselfly
Dutch name:	Zwervende pantserjuffer
Photo taken at the Zwartven, Luyksgestel, NB (NL), 8th of September 1996

Note: Lestes barbarus is the only European Lestid with a bi-colored pterostigma: brown at the inside and white at the outside. Occurs at ponds that get dry every once in a while, so can be abundant during and after dry years, but seems to disappear almost completely in wet years.