Observation: Photinus pyralis
Primary Observer:
Jill Gorman
Event Date:
2026-05-09
Status:
Unreviewed
Survey
Site Name:
Home
Province/State:
Georgia
Event Date:
2026-05-09
Time of Day:
Night-Time
Start Time:
21:20
End Time:
21:25
Number of Observers:
1
Primary Observer:
Jill Gorman
Additional Observers:
target_species_genus:
target_species_species:
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Habitat Type Notes:
Elevation (meters):
1337
Area Searched (hectares):
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): No
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:
11-50
genus:
photinus
Species:
pyralis
Observation Notes:
Our yard of approximately 1 acre was full of dozens of flashing fireflies flashing in the typical "J" shape. This observation shows 1 of 2 that I captured to photograph on a 5 mm grid.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:20
Last Flash Time:
21:25
First Flash Temp (F):
66
Last Flash Temp (F):
66
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
9
Flash Duration:
0.8
Flash Interval:
8
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
They were flashing in the open area of my yard.
