I was ecstatic on Monday at Occoquan Bay National Wildlife Refuge to finally capture some images of Fine-lined Emerald dragonflies (Somatochlora filosa), a species for which I have been searching repeatedly this past month. Fine-lined Emeralds are one of several species that appear in the autumn, just as the number of most species of dragonflies is beginning to drop precipitously. I had spotted what I think were Fine-lined Emeralds several times earlier in September, but for me the sighting does not really “count” if I am not able to take a photograph.
Fine-lined Emeralds like to spend a lot of time patrolling, and a lesser amount of time perching. Unlike many of species that fly about high in the air, this species often flies at at somewhere between knee and eye-level.
On this day I spotted at least two individuals patrolling along one of the trails that runs…
View original post 149 more words