WISCONSIN: Vilas Co; Plum Creek at CR N - female - August 2024
MICHIGAN: Crawford Co; Au Sable River at Rainbow Bend Campground - females - July 2024
MINNESOTA: Itasca Co; Big Falls River at Hwy 1 - male - June 2023
WISCONSIN: Vilas Co; Plum Creek at Hwy C - males - July 2022
WISCONSIN: Vilas Co; Plum Creek at Hwy C - female - July 2022
OREGON: Jackson Co; Jenny Creek at OR 66 - female - July 2022
MAINE: Penobscot Co; Grindstone Falls on East Fork of Penobscot River - male - June 2022
MAINE: Penobscot Co; Weir Pond Road near 1000 Acre Heath - male - June 2022
MICHIGAN: Crawford Co; AuSable River at McMaster's Bridge - male - June 2021
WISCONSIN: Rusk Co; Chippewa River at Scoles Landing - male - June 2021
MINNESOTA: Clay Co; Buffalo River State Park - male - June 2021
MINNESOTA: Clay Co; Buffalo River State Park - female - June 2021
IDAHO: Owyhee Co; Brunneau River access near Hot Springs - teneral female - July 2019
IDAHO: Owyhee Co; North Fork Owyhee River at North Fork Campground - female - July 2019
OREGON: Malheur Co; Malheur River, 26.1 mi E of Juntura on OR 20 - males - June 2019
OREGON: Klamath Co; Crescent Creek at OR 58 - teneral male - June 2017
MINNESOTA: Lake Co; Superior National Forest, Stoney River Canoe Access - male - July 2016
MICHIGAN: Delta Co; Hiawatha National Forest, Fishdam River at CR 442 - male - June 2016
CALIFORNIA: Lassen Co; Modoc National Forest, Ash Creek at Ash Creek Campground - males - June 2015
WISCONSIN: Eau Claire Co; Eau Claire River at CR H - male - June 2014
WISCONSIN: Rusk Co; Chippewa River at Scoles Landing (Bruce/Thornapple) - males - June 2014
WYOMING: Lincoln Co; Hamms Fork River at Kemmerer Lions Club Community Park - male - July 2013
WYOMING: Lincoln Co; Hamms Fork River at Kemmerer Lions Club Community Park - female - July 2013
MAINE: Washington Co; Machias River at ME 9 - males - July 2012
MAINE: Penobscot Co; on Mattawamkaeg Wilderness Park Road, 4.3 miles west of Campground - males - July 2012
MAINE: Penobscot Co; on Mattawamkaeg Wilderness Park Road, 4.3 miles west of Campground - females - July 2012
(note 2nd, mostly submerged, ovipositing female)
WASHINGTON: Benton Co; Yakima River at Horn Rapids County Park - males - August 2011
WASHINGTON: Benton Co; Yakima River at Horn Rapids Park - female - August 2011
OREGON: Klamath Co; Sprague River on Sprague River Road - male - July 2011
NEVADA: Elko Co; Humboldt River at Carlin Canyon - male - July 2011
MINNESOTA: Cook Co; Superior National Forest, Temperance River at FR 166 - males - August 2010
MINNESOTA: Cook Co; Superior National Forest, Temperance River at Temperance River Campground - female - August 2010
MINNESOTA: Cook Co; Superior National Forest, Temperance River at Temperance River Campground - male - August 2010
MINNESOTA: Fillmore Co; Forestville/Mystery Cave State Park - female - August 2010
MINNESOTA: Pipestone Co; Pipestone National Monument - male - August 2010