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July 2, 2012 — 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.

Common Green Darner (Anax junius)
Observed
Many in flight.
Black Saddlebags (Tramea lacerata)
Observed
Many in flight.
Eastern Amberwing (Perithemis tenera)
Photographed
A few males perched on low vegetation, but they had a hard time holding on in the wind. (1 photo)
Eastern Pondhawk (Erythemis simplicicollis)
Observed
One male.
Halloween Pennant (Celithemis eponina)
Photographed
Several males perched on vegetation. (2 photos)
Twelve-spotted Skimmer (Libellula pulchella)
Observed
Many in flight.
Widow Skimmer (Libellula luctuosa)
Photographed
One male. Lousy photos, but identifiable. (2 photos)
Eastern Forktail (Ischnura verticalis)
Observed
Both males and females on pond scum.
Familiar Bluet (Enallagma civile)
Photographed
Several males. (1 photo)
Orange Bluet (Enallagma signatum)
Photographed
One ovipositing pair. (1 photo)