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August 25, 2016 — Rock County

Rock River Lagoon. Diversion of the Rock River that forms an elongate, shallow lagoon in Riverside Park, Beloit. The lagoon is about 110 m wide (E-W) and 225 m long (N-S), has some grasses/sedges growing around the edge, and is aerated with a fountain. Located on the west of Riverside Drive, about 0.5 km north of the intersection with White Avenue.

Common Whitetail (Plathemis lydia)
Photographed
Only one male seen
Photo of Common Whitetail
Eastern Amberwing (Perithemis tenera)
Photographed
Only one male seen
Photo of Eastern Amberwing
Eastern Pondhawk (Erythemis simplicicollis)
Photographed
Several males along edge of pond; only one female
Photo of Eastern Pondhawk
Photo of Eastern Pondhawk
Eastern Forktail (Ischnura verticalis)
Photographed
Both males and females, but not particularly common
Photo of Eastern Forktail
Photo of Eastern Forktail
Familiar Bluet (Enallagma civile)
Photographed
Very common; many in wheel formation
Photo of Familiar Bluet
Photo of Familiar Bluet
Orange Bluet (Enallagma signatum)
Photographed
Common; many in tandem
Photo of Orange Bluet
Photo of Orange Bluet
Skimming Bluet (Enallagma geminatum)
Photographed
Not common
Photo of Skimming Bluet
Tule Bluet (Enallagma carunculatum)
Photographed
Very common; many in tandem
Photo of Tule Bluet
Photo of Tule Bluet