June 9, 2017 — Waukesha County
Vernon Marsh: Canoe launch at the end of Frog Alley.
Common Whitetail (Plathemis lydia)
Observed
Flying along the Slough over heavy cattails and the causeway. Few
Dot-tailed Whiteface (Leucorrhinia intacta)
Observed
On vegetation, alga, duckweed in open water surrounded by cattails. Several
Twelve-spotted Skimmer (Libellula pulchella)
Observed
Feeding over open water but close to the cattails. Landing on vegetation between flights. Single
Slender Spreadwing (
Lestes rectangularis)
Photographed
Immature. On heavy vegetation between causeway and slough.