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Interesting that an search for Sympetrum pedemontanum brings up a National Geographic article on:
"Freshwater scarcity ushers Mediterranean dragonflies toward extinction" as the top result.
Whereas the photo was taken near Moscow which is not really the Mediterranean by any stretch of the imagination. Not sure if they were using the correct images in the article.
The more up-to-date dragonfly books tend to include rare migrants and possible future migrants to the UK. The Banded Darter does turn up occasionally, the first time in 1995.
Don't forget to put the keyword for the country (Russia in this case) into tags for non-UK observations. ;-)
University of Edinburgh and Biodiversity Observatory (OU)
S. pedemontanum can be found in some countries bordering the Med. but is mainly found slightly further north and east.
So far there is only one confirmed record in Britain (Gwent in August 1995), there was possibly another a few years ago but the significance of the sighting wasn't realised and the observer was unable to confirm that it was this species.
Lat/Lng: 55.524279, 36.032311