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June 8, 2017 — 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 Green Darner (Anax junius)
Observed
Always in flight. Fairly common (wasn't able to ID the most common dragon fly, but thought it might be some kind of baskettail)
Black Saddlebags (Tramea lacerata)
Photographed
Fairly common
Photo of Black Saddlebags
 
Common Whitetail (Plathemis lydia)
Photographed
Not common
Photo of Common Whitetail
 
Twelve-spotted Skimmer (Libellula pulchella)
Photographed
Not common
Photo of Twelve-spotted Skimmer
 
Tule Bluet (Enallagma carunculatum)
Photographed
Common
Photo of Tule Bluet
 
Photo of Tule Bluet
 
Marsh Bluet (Enallagma ebrium)
Photographed
Very common, particularly in the sedge vegetation along the pond) Female ID'ed only through association with males
Photo of Marsh Bluet
 
Photo of Marsh Bluet
 
Orange Bluet (Enallagma signatum)
Photographed
Saw several
Photo of Orange Bluet