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@johannpiber We still have hundreds of them here at the apple farms in South Africa my friend. Not only here, but right across the country! I think it's the water and the weather! Blessings!

South Africa is quite a long way from Austria ;)
I can remember, when I was young there were more ponds, little lakes and brooks around. Nearly all of them were dried out for agriculture and so. And the fishponds we have now seem not to be very attractive to the dragonflys or other insects, apart from mosquitoes...
Thanks for your reply @papilloncharity