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June 8, 2013 — 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)
Photographed
Very common. Some ovipositing. (1 photo)
Black Saddlebags (Tramea lacerata)
Photographed
Common, but seemingly always in flight (and hence, lousy photos) (2 photos)
Eastern Forktail (Ischnura verticalis)
Photographed
Common. Includes males, females, and immature females (4 photos)