Observation: Photinus pyralis
Primary Observer:
Jennifer Schaeflein
Event Date:
2026-06-06
Status:
Unreviewed
Survey
Site Name:
Home
Province/State:
Illinois
Event Date:
2026-06-06
Time of Day:
Night-Time
Start Time:
20:40
End Time:
20:50
Number of Observers:
Primary Observer:
Jennifer Schaeflein
Additional Observers:
target_species_genus:
target_species_species:
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Habitat Type Notes:
Elevation (meters):
189
Area Searched (hectares):
Artificial Light Sources
Vehicles: No
Street Lights: Yes
Buildings: Yes
Street Lights: Yes
Buildings: Yes
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:
2-10
genus:
photinus
Species:
pyralis
Observation Notes:
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:45
Last Flash Time:
20:50
First Flash Temp (F):
71
Last Flash Temp (F):
71
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
1
Flash Duration:
1
Flash Interval:
5
Male Height Zone:
Low (0-3 ft)
Flash Location:
Backyard
