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September 11, 2011 — 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 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.

Eastern Amberwing (Perithemis tenera)
Photographed
Only one male seen. (1 photo)
Eastern Forktail (Ischnura verticalis)
Photographed
Both males and females seen. (1 photo)
Familiar Bluet (Enallagma civile)
Photographed
Very common. Seen ovipositing and mating. (3 photos)