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July 9, 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
Prince Baskettail (Epitheca princeps)
Photographed
Only a couple seen; in flight
Photo of Prince Baskettail
 
Photo of Prince Baskettail
 
Black Saddlebags (Tramea lacerata)
Photographed
Very common. Many flying in tandem with female dropping down to oviposit
Photo of Black Saddlebags
 
Blue Dasher (Pachydiplax longipennis)
Photographed
Not common
Photo of Blue Dasher
 
Eastern Amberwing (Perithemis tenera)
Photographed
Very common (second most common dragonfly)
Photo of Eastern Amberwing
 
Eastern Pondhawk (Erythemis simplicicollis)
Photographed
Not particularly common, but saw one pair mating and several females ovipositing
Photo of Eastern Pondhawk
 
Photo of Eastern Pondhawk
 
Photo of Eastern Pondhawk
 
Red Saddlebags (Tramea onusta)
Observed
Several in flight
Variegated Meadowhawk (Sympetrum corruptum)
Photographed
Very common (3rd most common dragonfly). Caught one defecating! First time I have ever seen this species!
Photo of Variegated Meadowhawk
 
Photo of Variegated Meadowhawk
 
Photo of Variegated Meadowhawk
 
Widow Skimmer (Libellula luctuosa)
Photographed
Only one seen.
Photo of Widow Skimmer
 
Eastern Forktail (Ischnura verticalis)
Photographed
Not common
Photo of Eastern Forktail
 
Orange Bluet (Enallagma signatum)
Photographed
Not common
Photo of Orange Bluet
 
Tule Bluet (Enallagma carunculatum)
Photographed
Very common. Both blue and brown females noted.
Photo of Tule Bluet
 
Photo of Tule Bluet
 
Photo of Tule Bluet