September 13, 2018 — Waukesha County
Mukwonago R at bridge along river.
Fawn Darner (
Boyeria vinosa)
Photographed
Several were seen patrolling and ovipositing into a piece of wood projecting from the shore into the water. Noted several splashing into a riffle area and apparently ovipositing from the downstream side of a rock.
Shadow Darner (Aeshna umbrosa)
Observed
Several patrolling the river near the bank. One seen ovipositing into a piece of wood projecting from shore into the water. This is the same wood that the Fawn Darner was ovipositing into
American Rubyspot (
Hetaerina americana)
Photographed
Few in the vegetation overhanging the river. Harassing the ovipositing Fawn Darners.