Observation: Photuris
Primary Observer:
Katie Hietala-Henschell
Event Date:
2026-06-27
Status:
Survey
Site Name:
Kelly Sloughs WPA
Province/State:
North Dakota
Event Date:
2026-06-27
Time of Day:
Night-Time
Start Time:
20:09
End Time:
23:45
Number of Observers:
1
Primary Observer:
Katie Hietala-Henschell
Additional Observers:
NA
target_species_genus:
pyractomena
target_species_species:
dispersa
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Open Freshwater Wetland - Wetland Bog, fen, freshwater marsh
Habitat Type Notes:
River slough with cattails, rushes, bedstraw, and pickleweed. Mudflats present and soft substrate. Milkvetch, thistles, and grasses along edges.
Elevation (meters):
250
Area Searched (hectares):
0.2
Artificial Light Sources
Vehicles: No
Street Lights: No
Buildings: Yes
Residential, cell tower
Street Lights: No
Buildings: Yes
Residential, cell tower
Artificial Light Types
Sky Glow (diffuse illumination in the sky): No
Light Trespass (light cast on surfaces beyond its intended target): No
Glare (bright light causing visual discomfort): Yes
Light Trespass (light cast on surfaces beyond its intended target): No
Glare (bright light causing visual discomfort): Yes
Artificial Light Notes:
Clouds were moving quickly from windy conditions throughout survey. The bright moon was casting shadows at times and also covered by clouds creating dark conditions.
Observation
Observation Type:
With Flash Data
Number Observed:
2-10
genus:
photuris
Species:
unknown
Observation Notes:
No specimens collected. About 10 individuals.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
22:27
Last Flash Time:
23:45
First Flash Temp (F):
66
Last Flash Temp (F):
61
Flashes in Pattern:
1
Flash Color:
Green
Flash Pattern Period:
1
Flash Duration:
0.5
Flash Interval:
0.5
Male Height Zone:
High (over 8 ft)
Flash Location:
High flying over marsh habitat. Individuals appeared to have direct flight above, over, and through the survey habitat.
Male Flash Behavior:
10:27 - quick flying, 0.5 second dash-flash repeated every 0.5 seconds. Tracked individuals appeared to give between 9-12 flashes before breaking.
