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Observation: Photinus
Primary Observer:
Erin shaw
Event Date:
2025-08-15
Status:
Unverified
Survey
Site Name:
North wildflower field
Province/State:
Ohio
Event Date:
2025-08-15
Time of Day:
Night-Time
Start Time:
21:50
End Time:
23:36
Number of Observers:
1
Primary Observer:
Erin shaw
Additional Observers:
N/a
Target Species Genus:
unknown
Target Species Species:
unknown
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
Elevation (meters):
212
Area Searched (hectares):
1
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:
Flashing
Number Observed:
2-10
Genus:
Photinus
Species:
unknown
Observation Notes:
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:00
Last Flash Time:
00:40
First Flash Temp (F):
82
Last Flash Temp (F):
80
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
1
Flash Duration:
1
Flash Interval:
1
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
5 feet
Male Flash Behavior:
Dipper
Female Flash Behavior:
Delay
1 thought on “Observation: Photinus”
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Thanks for submitting this firefly observation! Based on the yellow flash color and the “dipper” description of the male flash pattern, it does seem like you observed a Photinus firefly, though the timing of flash pattern activity seems a bit later than would be typical for big dippers (Photinus pyralis).