On July 1, 1975, while collecting 18 Pieris napi oleraceal (Harris) in the famous tamarack bog near Mongo, LaGrange Co., Indiana, I collected a somewhat worn male Erynnis funeralis Scudder & Burgess when it was resting on the ground in an area between the bog and a woods.
Shull, Ernest M.
"Erynnis Funeralis (Lepidoptera: Hesperiidae) and Polygonia Zephyrus (Lepidoptera: Nymphalidae) in Indiana: New State Records,"
The Great Lakes Entomologist, vol 9
Available at: https://scholar.valpo.edu/tgle/vol9/iss4/10