Common Green Darner (Anax junius)
Photographed
Quite a few

Dusky Clubtail (Phanogomphus spicatus)
Photographed

Midland Clubtail (Gomphurus fraternus)
Photographed

Swift River Cruiser (Illinois River Cruiser ssp.) (Macromia illinoiensis illinoiensis)
Photographed

Band-winged Meadowhawk (Sympetrum semicinctum)
Photographed
Just one, extremely teneral, not too far from pond edge makes me think it emerged from the pond.

Blue Dasher (Pachydiplax longipennis)
Observed
Mostly males in emergent pond vegetation. The one I photographed is a female, maybe 30 feet from the pond

Common Whitetail (Plathemis lydia)
Observed
Still numerous.

Dot-tailed Whiteface (Leucorrhinia intacta)
Observed

Eastern Pondhawk (Erythemis simplicicollis)
Photographed
Many - the most I've ever seen and occupying almost all territory available - pond, field and next to river.

Four-spotted Skimmer (Libellula quadrimaculata)
Observed
few

Widow Skimmer (Libellula luctuosa)
Observed
Still numerous

Powdered Dancer (Argia moesta)
Observed
Emergence continues. Numerous next to river, all teneral, all brown.

Lilypad Clubtail (Arigomphus furcifer)
Observed
Pond, on floating duckweed mat.