Sioux Snaketail (Ophiogomphus smithi)
Photographed
two males

Twin-spotted Spiketail (Cordulegaster maculata)
Observed
one

Ebony Jewelwing (Calopteryx maculata)
Photographed
many

River Jewelwing (Calopteryx aequabilis)
Photographed
many

Familiar Bluet (Enallagma civile)
Netted and released
one pair in tandem