Observation: Photuris
Primary Observer:
Lisa Zimmerman
Event Date:
2026-06-17
Status:
Unreviewed
Survey
Site Name:
Kelly's Run Site 1
Province/State:
Pennsylvania
Event Date:
2026-06-17
Time of Day:
Night-Time
Start Time:
20:05
End Time:
21:45
Number of Observers:
2
Primary Observer:
Lisa Zimmerman
Additional Observers:
Mara Zimmerman
target_species_genus:
unknown
target_species_species:
unknown
Location and Habitat
Location Accuracy (meters):
25-50
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
The meadow was next to a parking lot that was surrounded by mowed grass.
Elevation (meters):
213
Area Searched (hectares):
2.87
Artificial Light Sources
Vehicles: Yes
Street Lights: No
Buildings: No
Street Lights: No
Buildings: No
Artificial Light Types
Sky Glow (diffuse illumination in the sky): Yes
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): Yes
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): Yes
Artificial Light Notes:
The glare and light trespass were inconsistent came from car driving by since the site was near a road. The sky glow came from the mostly cloud covered moon.
Observation
Observation Type:
With Flash Data
Number Observed:
2-10
genus:
photuris
Species:
unknown
Observation Notes:
Species flashed over the tall grass of the meadow and flew quickly leaving a long glowing trail. The specimen we caught was in the grass and had a quick double flash pattern, but flew away with a glowing trail pattern when it was released.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:22
Last Flash Time:
21:45
First Flash Temp (F):
N/A
Last Flash Temp (F):
N/A
Flashes in Pattern:
1
Flash Color:
Green
Flash Pattern Period:
N/A
Flash Duration:
0.25 - glow trail
Flash Interval:
N/A - irregular
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
Glow trail pattern was visible at the top of the tall grass and midway up the trees, but double flash pattern was seen in the grass.
Male Flash Behavior:
N/A
Female Flash Behavior:
N/A
