Observation: Photinus pyralis
Primary Observer:
Jill Moore
Event Date:
2026-07-19
Status:
Unreviewed
Survey
Site Name:
Backyard
Province/State:
Iowa
Event Date:
2026-07-19
Time of Day:
Night-Time
Start Time:
20:55
End Time:
20:57
Number of Observers:
2
Primary Observer:
Jill Moore
Additional Observers:
Mason Moore
target_species_genus:
unknown
target_species_species:
unknown
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Developed - Sub/urban areas; parks/gardens
Habitat Type Notes:
Elevation (meters):
185
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:
21:00
First Flash Temp (F):
77
Last Flash Temp (F):
77
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
60
Flash Duration:
5
Flash Interval:
30
Male Height Zone:
Low (0-3 ft)
Flash Location:
During flight
