June 5, 2026 — Fond du Lac County
Dundee Mill & Park in Osceola. This park has two ponds, a shallow creek and the East Branch of the Milwaukee River.
Dundee Mill & Park in Osceola. This park has two ponds, a shallow creek and the East Branch of the Milwaukee River.
Ebony Jewelwing (Calopteryx maculata)
Observed
A few along the creek
Observed
A few along the creek
Eastern Forktail (Ischnura verticalis)
Observed
Several throughout
Observed
Several throughout
Fragile Forktail (Ischnura posita)
Observed
A few throughout
Observed
A few throughout
Orange Bluet (Enallagma signatum)
Photographed
Several along the river
Photographed
Several along the river
Sedge Sprite (Nehalennia irene)
Observed
One
Observed
One
Skimming Bluet (Enallagma geminatum)
Observed
Abundant.
Observed
Abundant.
Common Green Darner (Anax junius)
Observed
Several
Observed
Several
Horned Clubtail (Arigomphus cornutus)
Photographed
A few seen by the ponds and river
Photographed
A few seen by the ponds and river
Lilypad Clubtail (Arigomphus furcifer)
Observed
A few seen by the ponds and river
Observed
A few seen by the ponds and river
Unicorn Clubtail (Arigomphus villosipes)
Photographed
Several by the ponds and river
Photographed
Several by the ponds and river
Common Baskettail (Epitheca cynosura)
Observed
A few throughout
Observed
A few throughout
Racket-tailed Emerald (Dorocordulia libera)
Observed
Two
Observed
Two
Chalk-fronted Corporal (Ladona julia)
Observed
Two
Observed
Two
Common Whitetail (Plathemis lydia)
Observed
3-4
Observed
3-4
Dot-tailed Whiteface (Leucorrhinia intacta)
Observed
Abundant
Observed
Abundant
Four-spotted Skimmer (Libellula quadrimaculata)
Observed
One
Observed
One
Frosted Whiteface (Leucorrhinia frigida)
Observed
A couple
Observed
A couple