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As always, click the image to enlarge it
The forktails are on the leaf of a Fragrant Water-lily (Nymphaea odorata), a plant that they are intimately associated with. I checked this site thoroughly for Lilypad Forktails two summers ago, saw none, and do not think any were yet present. On a visit this year on August 3, they were everywhere. A later check of iNaturalist showed that someone found them here last year (so much for my Scioto County record). So, 2021 - no forktails; 2022, some appear; and 2023 - thriving population. This small lake is deep within Shawnee State Forest, and how these tiny damselflies find such a remote site and so rapidly colonize it is a mystery to me.
It wasn't long ago that this southern damselfly was quite rare in Ohio. Our first record dates to 1992, and for a long time Lilypad Forktails were only known from that Williams County site. Now they have been documented in 20 counties, and I wouldn't be surprised to find them anywhere that Fragrant Water-lily colonies occur. This is one of a number of southern damselfly/dragonfly species that are rapidly expanding northward.