Crimson-ringed Whiteface (Leucorrhinia glacialis)
Photographed
1 male, poor photos but no pruinosity on abdomen seen in field, double row of cells just barely discernable in radial planate of forewing in one photo

Elfin Skimmer (Nannothemis bella)
Netted and released
1 male

Four-spotted Skimmer (Libellula quadrimaculata)
Observed
3 individuals

Frosted Whiteface (Leucorrhinia frigida)
Observed
5 individuals, some in wheel

Sphagnum Sprite (Nehalennia gracilis)
Observed
100 individuals