MINNESOTA: Lake Co; McDougal Lake Campground - female - July 2023
MINNESOTA: Koochiching Co; Toomey-Williams Road - males - June 2023
MONTANA: Beaverhead Co; Pioneer Mts, Skull Creek Meadow - pair in copula - July 2022
WISCONSIN: Vilas Co; Plum Creek at US 70 - male - July 2022
WISCONSIN: Vilas Co; Plum Creek at US 70 - pair in copula - July 2022
MAINE: Penobscot Co; Weir Pond Road near 1000 Acre Heath - male - June 2022
MAINE: Penobscot Co; Weir Pond Road near 1000 Acre Heath - pair in copula - June 2022
MONTANA: Beaverhead Co; Pioneer Mts, ponds near Mono Park - males - July 2019
MINNESOTA: Lake Co; Superior National Forest, old railway east of Cougar Lake - males - July 2016
MICHIGAN: Iron Co; Ottowa National Forest, Marten Lake - male - June 2016
WYOMING: Teton Co; Yellowstone National Park, Middle Geyser Basin - males - July 2013
WYOMING: Park Co; Yellowstone National Park, South Rim and Clearlake Trail - male - July 2013
MONTANA: Deer Lodge Co; Deer Lodge National Forest, Cable Creek Meadow - males - July 2013
MONTANA: Deer Lodge Co; Deer Lodge National Forest, Cable Creek Meadow - pair in copula - July 2013
WISCONSIN: Rusk Co; Rusk Co Forest, on Fire Lane Road between Perch Lake Rd and CR O - teneral male - June 2013
MAINE: Hancock Co; Acadia National Forest, Seawall Campground - male - July 2012
MAINE: Penobscot Co; on Engstrom Rd, 2.5 mi W jct Wier Pond Rd ("Somatochlora Highway") - males - July 2012
NEW HAMPSHIRE: Coos Co; on Lakeside Rd, 4 mi S jct NH 28 - males - July 2012
NEW YORK: Hamilton Co; Adirondack Mts Park, Grassy Pond - male - July 2012
MONTANA: Deer Lodge Co; Deer Lodge National Forest, Georgetown Lake, Phillipsburg Bay Campground - male - August 2011
MINNESOTA: Cook Co; Superior National Forest, FR 154 at Mud Creek - female - August 2010
Note inset photos which show triple row of cells in area beyond forewing triangle (separating this species from Frosted Whiteface, L. frigida) and single row of cells in forewing's radial planate (separating this species from Crimson-ringed Whiteface, L. glacialis)