Observation: Photinus pyralis
Primary Observer:
Lisa Lunny
Event Date:
2026-07-01
Status:
Unreviewed
Survey
Site Name:
Undisclosed
Province/State:
Pennsylvania
Event Date:
2026-07-01
Time of Day:
Night-Time
Start Time:
20:33
End Time:
21:15
Number of Observers:
1
Primary Observer:
Lisa Lunny
Additional Observers:
NA
target_species_genus:
photinus
target_species_species:
pyralis
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Developed - Sub/urban areas; parks/gardens
Habitat Type Notes:
Elevation (meters):
~216
Area Searched (hectares):
.0486
Artificial Light Sources
Vehicles: No
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): No
Glare (bright light causing visual discomfort): No
Light Trespass (light cast on surfaces beyond its intended target): No
Glare (bright light causing visual discomfort): No
Artificial Light Notes:
Observation
Observation Type:
With Flash Data
Number Observed:
50+
genus:
photinus
Species:
pyralis
Observation Notes:
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:35
Last Flash Time:
21:15
First Flash Temp (F):
92
Last Flash Temp (F):
92
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
6
Flash Duration:
1/10
Flash Interval:
~6
Male Height Zone:
High (over 8 ft)
Flash Location:
Ground level up to 30 feet in treetops
